UA1917United Airlines · LAX → IAD
live · 3m ago
Route confirmed United Airlines

UA1917 Los AngelesLAX · 22:35 WashingtonIAD · 06:34

UA1917 by United Airlines flies from Los Angeles (LAX) to Washington (IAD) for the Tue, Sep 22 departure.

Right nowIn the air to Washington · off blocks 23:02 · 27 min late
06:20

estimated arrival at IAD · local time · ~43 min from now

LivePosition · updated 5m ago
LAX323 mi · ~43 min leftIAD
35,000 ftAltitudecruising
597 mphSpeed519 kt
83°Direction

Live position · flown path, last 3h 32m

⚖ UA1917 typically leaves +23 and lands −19. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+228+456+684 min
09-23
+23 gate · −14 arrival
09-22
+27 gate · −14 arrival
09-21
−714 gate · +684 arrival
09-20
+12 gate · −21 arrival
09-19
+14 gate · −23 arrival
09-18
+8 gate · −24 arrival
09-17
+132 gate

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 −19 min · 0 cancelled · 12 operations tracked

The route today

live boards
LAXLos AngelesOn-time likelyLAX delay board →
IADWashingtonOn-time likelyIAD delay board →
LAX→IADevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
36%Chance of 15+ min delay
2.7%Chance of cancellation
+5 minAvg hub delay right now

Driven mainly by IAD (Washington), currently flying MVFR (marginal visual). 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.

Other Los Angeles to Washington flights today

same route · United Airlines
UA2268departs 08:17
UA2667departs 10:47
UA1635departs 12:49
UA1506departs 16:12
UA2282departs 21:39
UA418departs 23:00

If UA1917 is cancelled, these are the other United Airlines nonstop flights from Los Angeles to Washington on the same day, with scheduled departure times in LAX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA1917 actually runs

Pro Flight Search has tracked every published board update for UA1917 across the LAX and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands ~20 min early. Based on 9 confirmed landings · 8/9 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 UA1917 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
09-23LAX 22:35 22:58 (+23)IAD 06:34 06:20 (−14)
09-22LAX 22:35 23:02 (+27)IAD 06:34 06:20 (−14)
09-21LAX 22:39 10:45 (−714)IAD 06:38 18:02 (+684)
09-20LAX 22:39 22:51 (+12)IAD 06:38 06:17 (−21)
09-19LAX 22:39 22:53 (+14)IAD 06:38 06:15 (−23)
09-18LAX 22:39 22:47 (+8)IAD 06:38 06:14 (−24)
09-17LAX 22:39 00:51 (+132)IAD
09-16LAX 22:35 22:58 (+23)IAD 06:34 06:22 (−12)
09-15LAX 22:35 22:49 (+14)IAD 06:34 06:15 (−19)
09-14LAX 22:39 23:06 (+27)IAD 06:38 06:19 (−19)
09-13LAX 22:39 23:03 (+24)IAD 06:38 05:59 (−39)
09-12LAX IAD 06:38 06:02 (−36)

Aircraft

Recent tails: N75854, N57870, N75861, N75858.

Board clocks recorded as LAX and IAD published them.

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 — UA1917 Los Angeles to Washington on-time performance, measured from the LAX and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1917
How we measure this →