UA1742United Airlines · SMF → IAD
live · 43m ago
Route confirmed United Airlines

UA1742 SacramentoSMF · 08:13 WashingtonIAD · 16:15

UA1742 by United Airlines flies from Sacramento (SMF) to Washington (IAD).

Right nowNext departure tomorrow Operates daily
08:13

scheduled from SMF

⚖ UA1742 typically leaves +8 and lands −28. The air wins minutes back.
Typical gate push+8 minmedian posted departure
Typical arrival−28 minmedian over 13 operations
Wins back in air~36 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 13tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-13
+6 gate · −44 arrival
09-12
+19 gate · −12 arrival
09-11
+9 gate · −30 arrival
09-10
+23 gate · −6 arrival
09-09
+8 gate · −19 arrival
09-08
+7 gate · −28 arrival
09-07
+5 gate · −24 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −28 min · 0 cancelled · 13 operations tracked

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
IADWashingtonOn-time likelyIAD delay board →
SMF→IADevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
1.9%Chance of cancellation
+5 minAvg hub delay right now

Conditions at SMF and IAD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

How UA1742 actually runs

Pro Flight Search has tracked every published board update for UA1742 across the SMF and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands ~25 min early. Based on 13 confirmed landings · 13/13 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how UA1742 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-13SMF 08:13 08:19 (+6)IAD 16:15 15:31 (−44)
09-12SMF 08:13 08:32 (+19)IAD 16:15 16:03 (−12)
09-11SMF 08:13 08:22 (+9)IAD 16:15 15:45 (−30)
09-10SMF 08:13 08:36 (+23)IAD 16:15 16:09 (−6)
09-09SMF 08:13 08:21 (+8)IAD 16:15 15:56 (−19)
09-08SMF 08:13 08:20 (+7)IAD 16:15 15:47 (−28)
09-07SMF 08:13 08:18 (+5)IAD 16:15 15:51 (−24)
09-06SMF 08:13 08:16 (+3)IAD 16:15 15:34 (−41)
09-05SMF 08:13 08:20 (+7)IAD 16:15 15:47 (−28)
09-04SMF 08:13 08:21 (+8)IAD 16:15 16:03 (−12)
09-03SMF 08:13 08:15 (+2)IAD 16:15 15:39 (−36)
09-02SMF 08:13 08:21 (+8)IAD 16:15 16:03 (−12)
09-01SMF IAD 16:15 15:47 (−28)

Aircraft

Recent tails: N27463, N97424, N77552, N37562.

Board clocks recorded as SMF and IAD published them.

Planning around UA1742? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — UA1742 Sacramento to Washington on-time performance, measured from the SMF and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1742
How we measure this →