live · updated 7h ago
OPS Smooth · 337,511 legs measured · last 90 days · 5 routes outbound only · 2 routes inbound only
129
nonstop destinations from San Francisco International Airport, flown by 61 airlines. 122 of them also fly back in.
Measured from flights observed on San Francisco’s own departure and arrival boards over the last 14 days. Every route below carries its observed weekly frequency, and 123 routes with enough history show how reliably they actually run: on-time share and cancellation rate from the last 90 days. Right now departures are 5 min early.
Busiest routeLos Angeles LAX · about 2293 movements a week, Alaska Airlines, All Nippon Airways, American Airlines29,486 legs observed
Most reliableTocumen PTY · 97% on time, 0% cancelled528 legs
Roughest rideDoha DOH · 13% on time, 0% cancelled158 legs
All SFO nonstop destinations, ranked by weekly flights
One row per destination, both directions merged. On time means within 15 minutes of schedule; cancelled is the share of observed legs that never went. Routes with fewer than 20 observed legs show their leg count instead of a shaky number.
LAXLos Angeles⇆
Alaska Airlines · All Nippon Airways · American Airlines · Avianca · Delta Air Lines · El Al Israel Airlines · EVA Air · Frontier Airlines · LATAM Airlines · Philippine Airlines · Scandinavian Airlines · Southwest Airlines · United Airlines · Air France · Qatar Airways
2293/wk
66%on time
0.1%cancelled
Schedule
Alaska Airlines departs AS345 06:40AS340 07:27AS412 08:43AS1329 08:47AS303 09:43AS1369 10:21AS372 12:00AS753 13:25AS595 14:02AS1831 15:38AS308 16:46AS1457 16:51AS204 18:20AS1849 19:20AS1412 19:52AS2360 19:52AS1837 20:08AS2415 22:06AS2138 22:13
All Nippon Airways departs NH7509 21:25
American Airlines departs AA2660 07:15AA6441 09:13AA6274 09:27AA6428 10:31AA6270 10:33AA6277 11:32AA2072 13:28AA6429 14:05AA6214 15:07AA6276 16:07AA6324 16:10AA6440 18:10AA6440 18:32AA2244 19:57
Avianca departs AV2011 10:25
Delta Air Lines departs DL8841 01:35DL1598 07:10DL1421 09:54DL1862 12:05DL1715 14:40DL2267 16:49DL1559 18:38DL8928 21:30DL8929 23:00
El Al Israel Airlines departs LY4489 07:05
EVA Air departs BR630 11:58BR630 23:30
Frontier Airlines departs F93308 09:14F92858 19:25
LATAM Airlines departs LA7186 18:25
Philippine Airlines departs PR3879 07:16
Scandinavian Airlines departs SK3638 17:18
Southwest Airlines departs WN2486 06:10WN3847 08:20WN3807 09:40WN1275 09:55WN1625 10:10WN4319 11:30WN3812 12:40WN2516 14:30WN3399 15:15WN2532 15:25WN2645 16:55WN2881 17:40WN2645 18:00WN342 20:00WN4410 20:40WN342 20:50
United Airlines departs UA2127 06:00UA1260 07:00UA1457 08:45UA6048 08:45UA1063 10:15UA1822 12:26UA2610 13:50UA1506 16:25UA3771 17:25UA2282 17:42UA1799 18:55UA2409 19:51UA8209 19:51UA580 21:20UA2179 22:50UA8121 23:12
Air France arrives AF5816 16:22AF8883 16:22
Alaska Airlines arrives AS2226 07:27AS2427 08:01AS306 08:25AS477 10:21AS307 10:26AS1456 10:43AS331 13:39AS309 14:22AS1832 14:40AS201 15:48AS1411 15:52AS91 17:00AS1848 18:10AS361 18:50AS1838 19:10AS350 20:12AS411 21:12AS1364 21:17AS2485 23:27
American Airlines arrives AA6441 08:40AA6274 08:57AA6277 11:02AA6316 11:07AA6429 13:19AA3176 14:13AA6324 15:36AA6276 15:37AA2244 19:03AA6448 20:27AA6432 21:39AA2673 23:37AA3176 23:40
Delta Air Lines arrives DL1598 07:10DL1421 08:59DL1920 11:05DL1060 13:45DL8929 15:13DL2267 15:54DL2197 19:42DL2197 20:32DL2986 22:15
EVA Air arrives BR629 04:55
Frontier Airlines arrives F92857 10:11
LATAM Airlines arrives LA7090 11:01
Qatar Airways arrives QR2014 17:21
Southwest Airlines arrives WN2503 08:00WN781 08:30WN781 08:45WN3709 09:00WN2504 11:20WN2279 11:35WN3686 12:35WN596 13:05WN1817 13:20WN1162 15:20WN512 15:40WN4210 18:20WN287 18:25WN936 18:45WN384 22:20WN4051 22:20
United Airlines arrives UA1853 00:06UA2492 07:30UA3901 08:31UA336 08:55UA3904 11:06UA1905 11:17UA1905 11:21UA2199 12:31UA2831 13:11UA469 14:35UA2019 16:35UA1363 18:02UA3911 19:31UA2837 20:10UA2111 20:10UA1195 21:25UA3773 22:40UA2056 23:06UA5433 23:08
JFKNew York⇆
Air Serbia · Alaska Airlines · American Airlines · British Airways · Delta Air Lines · Etihad Airways · JetBlue Airways · Qatar Airways · Air Europa · Gol Transportes Aéreos
1383/wk
77%on time
0.9%cancelled
Schedule
Air Serbia departs JU8514 09:04
Alaska Airlines departs AS211 06:18AS211 07:00AS20 07:38AS42 13:43AS277 13:43AS32 13:50AS40 22:23AS40 23:00
American Airlines departs AA234 06:50AA234 07:21AA16 12:08AA16 12:25AA166 13:34AA166 14:00AA148 15:32AA148 15:54AA276 21:56
British Airways departs BA1650 15:53
Delta Air Lines departs DL405 07:00DL606 08:55DL668 11:45DL630 14:35DL363 16:15DL2112 20:50DL670 22:55
Etihad Airways departs EY8242 23:58
JetBlue Airways departs B6116 06:00B6316 08:05B6216 12:24B6416 14:55B6816 16:25B616 20:44B616 20:55B6616 22:56
Qatar Airways departs QR4277 08:51QR2134 22:20
Air Europa arrives UX3319 23:26
Alaska Airlines arrives AS227 12:53AS227 13:04AS41 14:53AS33 15:01AS32 20:14AS39 22:34AS39 23:59
American Airlines arrives AA177 01:12AA76 10:33AA76 10:40AA179 12:02AA149 14:31AA149 14:37AA15 20:45
Delta Air Lines arrives DL1732 01:15DL668 10:29DL669 12:31DL363 15:05DL679 19:32DL365 21:01DL667 22:38DL667 22:56
Gol Transportes Aéreos arrives G36450 12:37
JetBlue Airways arrives B6115 09:34B615 11:12B6215 13:44B6315 15:10B6315 15:11B6415 19:34B6615 21:41B6515 23:58
Qatar Airways arrives QR2605 20:42
Schedule
American Airlines departs AA434 00:39AA2614 06:00AA3250 07:10AA1353 07:13AA2436 08:47AA2814 09:12AA2885 10:33AA1253 10:34AA885 12:34AA3049 13:42AA1948 14:18AA948 14:32AA2524 15:04AA2642 15:18AA597 17:22AA2253 17:27AA1954 23:36AA1854 23:39
United Airlines departs UA2847 00:55UA1248 05:00UA2091 06:35UA1393 08:20UA2827 10:05UA630 12:27UA1114 14:00UA1147 15:20UA1278 16:10UA1914 17:10UA8219 18:10UA1958 18:42UA1971 22:45UA2278 22:45UA368 23:30
Air China arrives CA7295 11:51
American Airlines arrives AA2158 00:30AA2885 09:37AA1253 09:40AA517 11:11AA3115 11:25AA3049 12:41AA1948 13:28AA597 16:19AA2253 16:22AA821 18:14AA1253 18:15AA3246 19:59AA3141 20:11AA1954 21:56AA1854 21:56AA2905 23:55
United Airlines arrives UA2106 00:53UA246 08:44UA246 08:47UA1116 10:28UA2610 11:50UA543 13:30UA762 14:42UA638 15:35UA1811 16:20UA1577 17:25UA2417 18:56UA2866 19:28UA649 21:24UA2059 23:28UA2059 23:56
SEASeattle⇆
Air France · Alaska Airlines · British Airways · Cathay Pacific · Delta Air Lines · ITA Airways · Qatar Airways · United Airlines · American Airlines
1233/wk
69%on time
0.4%cancelled
Schedule
Air France departs AF2519 10:31
Alaska Airlines departs AS620 06:07AS1327 09:43AS580 11:00AS656 13:51AS630 15:21AS68 16:21AS1340 17:45AS591 19:11AS758 20:46
British Airways departs BA7543 15:08
Cathay Pacific departs CX7858 08:33CX7998 08:33CX7858 18:48
Delta Air Lines departs DL2721 06:20DL1134 10:35DL1412 14:15DL3991 20:58
ITA Airways departs AZ4506 16:10
Qatar Airways departs QR8794 10:39
United Airlines departs UA494 07:25UA2340 10:06UA2744 12:22UA433 14:10UA2279 16:17UA5567 16:17UA762 18:30UA1007 21:05UA5579 21:05UA1079 21:05UA1079 21:20UA5903 22:35UA5579 22:35
Air France arrives AF2209 22:16AF2078 22:16
Alaska Airlines arrives AS725 08:49AS528 12:26AS655 14:23AS688 16:08AS2095 17:57AS680 18:01AS1385 20:17AS1386 20:47AS619 21:49AS590 22:49AS2230 23:03AS410 23:52
American Airlines arrives AA7537 09:41
Delta Air Lines arrives DL1134 09:38DL9970 11:15DL1412 13:08DL3707 17:05DL3991 20:18DL2635 23:56
Qatar Airways arrives QR2003 14:10QR2139 14:10QR2147 16:01QR2959 16:01QR4280 16:01
United Airlines arrives UA499 09:19UA1372 11:24UA3926 12:49UA737 12:59UA2416 15:31UA2478 17:50UA677 19:38UA5887 19:48UA1334 21:50UA5402 23:00
SANSan Diego⇆
Alaska Airlines · British Airways · Frontier Airlines · Southwest Airlines · United Airlines
1068/wk
57%on time
0.7%cancelled
Schedule
Alaska Airlines departs AS1450 07:04AS769 08:20AS2358 08:20AS586 10:05AS586 10:29AS740 10:40AS3490 11:40AS1451 14:44AS2493 15:31AS1330 16:43AS3306 18:29AS2459 20:00
British Airways departs BA6430 11:53BA6428 17:00
Frontier Airlines departs F93382 16:57
Southwest Airlines departs WN2839 06:10WN3785 06:25WN3853 06:50WN3236 08:40WN3086 09:25WN1647 10:55WN2536 11:55WN4804 12:00WN3388 12:30WN1085 14:40WN3855 15:00WN3784 15:10WN139 15:30WN3787 16:00WN3226 16:10WN4326 18:15WN3857 18:30WN4513 19:20WN4065 19:45
United Airlines departs UA1980 07:00UA444 08:30UA2177 10:15UA1257 12:05UA1668 13:50UA1561 16:55UA1577 18:55UA8177 19:25UA794 20:45UA1389 22:42
Alaska Airlines arrives AS597 08:52AS755 09:37AS3162 12:37AS770 12:41AS2147 13:56AS2494 14:51AS493 16:16AS3482 17:44AS1435 18:06AS503 20:16AS453 20:33AS3463 21:43AS1438 21:52AS1438 21:57AS2453 23:59
Frontier Airlines arrives F93381 12:51
Southwest Airlines arrives WN3669 08:25WN3738 08:45WN3676 08:55WN3738 09:15WN2882 11:00WN2794 11:05WN4955 12:50WN3677 13:05WN473 14:55WN2808 15:10WN3466 16:15WN3466 16:50WN4258 17:00WN4954 18:10WN4954 18:15WN1560 18:20WN4259 19:10WN375 20:10WN3284 20:15WN3679 21:05WN4175 22:05WN3296 22:40
United Airlines arrives UA2322 08:05UA2274 09:20UA1791 11:25UA2309 13:07UA1835 14:24UA1763 15:15UA2117 17:45UA2278 21:25
LASLas Vegas⇆
Alaska Airlines · Frontier Airlines · Southwest Airlines · United Airlines · ITA Airways · Qatar Airways
954/wk
65%on time
0.2%cancelled
Schedule
Alaska Airlines departs AS718 07:08AS718 10:00AS776 13:47AS1400 17:59AS1362 19:19
Frontier Airlines departs F91850 09:14F94158 11:06F92486 14:21F92486 15:05F94402 19:14F94156 22:23
Southwest Airlines departs WN4314 05:05WN2446 05:05WN2821 05:10WN582 10:10WN1684 10:15WN1521 10:30WN4043 10:45WN1997 13:30WN2404 13:45WN1457 13:50WN1790 15:15WN2386 17:30WN2285 19:25WN3846 21:00WN1640 21:30WN3779 22:45
United Airlines departs UA733 07:00UA2722 07:00UA1627 08:35UA1627 08:40UA1020 10:40UA648 12:28UA543 14:20UA574 16:40UA1434 16:50UA751 16:50UA2825 16:50UA1995 19:00UA406 21:10UA2400 22:59
Alaska Airlines arrives AS613 12:16AS565 13:59AS634 18:10AS613 22:27
Frontier Airlines arrives F93019 08:19F94401 12:52F94401 14:20F94157 17:07F93801 17:09F93801 18:19F94157 18:19
ITA Airways arrives AZ4443 11:36
Qatar Airways arrives QR8861 17:41
Southwest Airlines arrives WN2258 00:05WN582 00:45WN496 07:50WN2908 09:35WN3778 10:05WN2398 11:30WN2398 13:25WN4616 13:35WN3271 14:35WN3262 17:15WN2440 17:20WN2411 17:35WN2974 21:55WN1640 23:20
United Airlines arrives UA643 07:44UA2356 08:59UA1264 11:32UA1924 13:15UA1799 15:19UA2047 17:08UA1603 19:03UA1971 19:03UA345 19:58UA2721 19:58UA1267 21:18UA1267 21:38
PDXPortland⇆
Alaska Airlines · Delta Air Lines · Qatar Airways · United Airlines
832/wk
66%on time
0.2%cancelled
Schedule
Alaska Airlines departs AS1410 07:43AS1867 09:03AS235 11:42AS1302 14:57AS525 18:59AS2023 21:05AS2023 21:25
Delta Air Lines departs DL8846 15:55
Qatar Airways departs QR3301 07:42QR3352 07:42QR3335 11:41QR2973 11:41QR2145 14:47
United Airlines departs UA5259 08:18UA2624 10:27UA1953 12:45UA1812 16:28UA1812 16:32UA1811 19:10UA387 20:54UA3923 21:30UA5323 22:50UA343 22:50
Alaska Airlines arrives AS526 09:00AS526 09:23AS2158 10:22AS1403 12:48AS205 13:46AS236 16:47AS2112 19:20AS1393 19:47AS2112 21:27AS697 23:26
Qatar Airways arrives QR2136 16:44QR2154 16:44QR2158 19:49QR3387 19:49
United Airlines arrives UA611 07:22UA5503 07:28UA3904 07:53UA2818 09:08UA1114 10:55UA4782 12:58UA751 15:15UA1292 17:32UA2615 21:18
DFWDallas-Fort Worth⇆
American Airlines · Cathay Pacific · Frontier Airlines · United Airlines · Air Canada · British Airways · Iberia
827/wk
69%on time
0.3%cancelled
Schedule
American Airlines departs AA2111 00:11AA2116 05:30AA402 05:35AA3047 06:38AA2305 06:47AA304 08:00AA325 08:00AA2571 08:55AA2904 09:00AA1849 11:13AA1949 12:39AA2275 12:42AA810 13:57AA2387 14:01AA2205 15:41AA1401 15:45AA491 17:01AA2325 17:36AA325 17:36AA939 23:23
Cathay Pacific departs CX7578 11:20
Frontier Airlines departs F92930 23:52
United Airlines departs UA2842 10:15UA1375 16:45UA1852 23:59
Air Canada arrives AC3742 11:02
American Airlines arrives AA446 00:44AA2120 08:56AA1849 10:23AA810 13:07AA2387 13:10AA527 15:09AA1731 15:10AA2810 18:02AA701 18:28AA1175 19:23AA2333 19:25AA1430 21:07AA939 22:31AA2522 23:06AA1005 23:25AA2775 23:57
British Airways arrives BA2493 20:48
Frontier Airlines arrives F93999 22:29
Iberia arrives IB8018 10:16
United Airlines arrives UA790 09:01UA790 09:02UA216 12:42UA1780 17:18UA2330 21:50
Schedule
Frontier Airlines departs F91230 06:02F91094 12:20F93436 12:20
Southwest Airlines departs WN4578 06:00WN3774 06:00WN4578 06:10WN2981 06:20WN3428 08:00WN3844 08:00WN4619 09:35WN2530 09:40WN1170 11:35WN3776 11:45WN1652 13:20WN1652 13:45WN137 14:15
United Airlines departs UA1479 05:00UA2042 06:16UA3906 07:00UA493 09:05UA1604 10:45UA743 12:35UA2803 13:00UA3916 13:30UA1230 14:24UA1835 16:24UA2436 18:35UA573 20:23UA301 21:24UA3920 21:45
Frontier Airlines arrives F93439 00:20F91229 11:17
Southwest Airlines arrives WN2258 00:05WN2931 09:50WN4303 10:15WN2104 10:30WN2104 11:10WN3097 12:00WN1772 13:25WN1792 14:00WN1792 14:25WN3072 18:15WN1817 19:20WN1773 20:05WN1817 20:10WN2036 23:15WN2844 23:20
United Airlines arrives UA2367 06:48UA2265 07:49UA2391 09:29UA616 11:42UA3925 12:52UA3752 13:00UA1561 13:12UA3909 14:45UA1812 15:11UA1812 15:12UA2633 17:24UA1510 19:11UA1007 19:11UA3922 20:45UA1389 21:10UA2123 23:09
SNASanta Ana⇆
Alaska Airlines · Frontier Airlines · Qatar Airways · United Airlines · Delta Air Lines
663/wk
73%on time
1.2%cancelled
Schedule
Alaska Airlines departs AS3440 06:55AS3450 08:15AS2418 09:00AS3048 10:23AS3055 10:46AS3210 11:26AS2424 13:29AS3494 14:04AS3492 15:32AS523 16:17AS269 17:04AS2407 17:49AS3465 20:50AS3465 20:52
Frontier Airlines departs F93582 13:37
Qatar Airways departs QR8820 14:41
United Airlines departs UA5237 07:00UA643 10:32UA2441 12:40UA5440 13:45UA4631 15:05UA5763 15:37UA5592 15:37UA5597 16:55UA589 19:10
Alaska Airlines arrives AS3251 09:37AS3054 10:55AS2418 12:49AS3039 13:24AS3451 14:01AS3055 15:23AS2424 17:09AS3494 17:55AS3492 19:19AS524 20:27AS736 20:55AS2187 21:26AS3493 22:05AS3493 22:34
Delta Air Lines arrives DL420 09:56
Frontier Airlines arrives F93581 21:38
Qatar Airways arrives QR3379 18:33QR8820 18:33
United Airlines arrives UA1766 08:34UA5479 11:20UA1320 16:51UA5351 17:50UA5440 19:14UA4699 19:47UA5577 19:47UA1531 20:10UA5339 21:44
Schedule
United Airlines departs UA1205 07:00UA1642 08:15UA1909 10:05UA8205 10:05UA8233 10:05UA2467 12:05UA2480 13:05UA1808 14:00UA1284 14:00UA2225 15:00UA1149 16:30UA2482 21:30UA649 22:55UA2376 23:15UA1141 23:59
United Airlines arrives UA648 09:30UA1180 10:27UA1593 11:41UA1777 12:27UA548 13:38UA1914 15:23UA1227 16:29UA794 18:33UA1844 19:44UA927 21:10UA2171 21:25UA2364 22:52UA1800 23:57
BOSBoston⇆
Delta Air Lines · Etihad Airways · JetBlue Airways · United Airlines
602/wk
67%on time
1.2%cancelled
Schedule
Delta Air Lines departs DL400 07:00DL977 12:40DL860 15:00
Etihad Airways departs EY8006 06:00
JetBlue Airways departs B6434 07:30B61734 10:44B61034 12:14B61234 14:50B6134 22:10B61534 23:35
United Airlines departs UA2647 08:10UA2356 10:40UA1372 12:45UA8172 12:45UA8222 13:15UA1496 14:42UA796 21:30UA1665 23:20
Delta Air Lines arrives DL977 11:25DL860 13:43DL1655 21:23
JetBlue Airways arrives B6333 00:25B6633 09:40B6833 13:16B6733 19:35B6933 20:55
United Airlines arrives UA1023 10:59UA582 11:54UA574 12:49UA1074 13:34UA1367 17:40UA2400 21:50
PHXPhoenix⇆
American Airlines · Delta Air Lines · Frontier Airlines · Southwest Airlines · United Airlines
533/wk
66%on time
0%cancelled
SLCSalt Lake City⇆
Delta Air Lines · KLM · SkyWest Airlines · United Airlines · Air China · WestJet
490/wk
70%on time
0.1%cancelled
YVRVancouver⇆
Air Canada · Flair Airlines · United Airlines · Delta Air Lines
486/wk
73%on time
0.7%cancelled
ATLAtlanta⇆
China Airlines · Delta Air Lines · Frontier Airlines · United Airlines · Air France · Air New Zealand · Korean Air
460/wk
79%on time
0%cancelled
PSPPalm Springs⇆
Alaska Airlines · Qatar Airways · United Airlines · Japan Airlines
351/wk
65%on time
0.2%cancelled
AUSAustin⇆
Delta Air Lines · Southwest Airlines · United Airlines · Asiana Airlines
337/wk
74%on time
0.1%cancelled
MSPMinneapolis⇆
Delta Air Lines · Sun Country Airlines · United Airlines
290/wk
77%on time
0%cancelled
TPETaipei⇆
China Airlines · EVA Air · Starlux Airlines · United Airlines
245/wk
78%on time
0.9%cancelled
ICNSeoul⇆
Air Premia · Asiana Airlines · Korean Air · United Airlines
148/wk
85%on time
0.2%cancelled
NRTTokyo⇆
All Nippon Airways · Japan Airlines · United Airlines · ZIPAIR Tokyo
140/wk
64%on time
1.6%cancelled
SJDSan José del Cabo⇆
Alaska Airlines · Qatar Airways · United Airlines
70/wk
84%on time
0%cancelled
■ ≥85% on time
■ 70–84%
■ 55–69%
■ <55%
cancelled: amber ≥2%, red ≥5%
⇆ flies both directions
Nonstop flights into San Francisco
122 of the 129 destinations above also fly nonstop into San Francisco, so the table covers both directions of each route. Inbound arrival times and live status are on the arrivals board, and each route row links to its own route page with the paired schedule history.
5 routes appeared outbound only in the observed window; 2 routes appear inbound only. These are usually seasonal charter rotations or positioning patterns that the boards record separately.
SFO route map: where 129 nonstop routes go
SFO direct flights: questions travelers ask
How many direct flights does San Francisco have?
San Francisco International Airport currently has nonstop service to 129 destinations on 61 airlines, based on flights observed on the airport's own boards over the last 14 days. 122 of those routes operate in both directions.
Which direct route from San Francisco is most reliable?
Among routes with at least 20 observed legs in the last 90 days, Tocumen (PTY) runs cleanest: 97% of flights within 15 minutes of schedule with a 0% cancellation rate.
Which airline flies the most nonstop routes from San Francisco?
United Airlines appears on 101 of the 129 nonstop routes we observed at SFO. The airline column in the route ledger lists every carrier observed on each route.
Where does this data come from?
From San Francisco International Airport's own departure and arrival boards, recorded continuously by Pro Flight Search. Reliability figures cover the last 90 days; the route list covers the last 14 days of observed service.
More nonstop guides
Raleigh-Durham (RDU)
Chicago · Midway (MDW)
Sarasota-Bradenton (SRQ)
South Bend (SBN)
Santa Barbara (SBA)
Islip · Long Island (ISP)
Cedar Rapids (CID)
Monterey (MRY)
Sacramento (SMF)
Ontario (ONT)
Knoxville (TYS)
Madison (MSN)
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search: San Francisco (SFO) nonstop network and route reliability, measured from official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/direct-flights/san-francisco-SFO
Planning around SFO? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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