UA2837United Airlines · SFO → IAD
live · 4m ago
Route confirmed United Airlines

UA2837 San FranciscoSFO · 23:20 WashingtonIAD · 07:28

UA2837 by United Airlines flies from San Francisco (SFO) to Washington (IAD) for the Sat, Oct 31 departure.

Right nowIn the air to Washington · off blocks 23:15 · 5 min early
05:41

estimated arrival at IAD · local time · ~1h 54m from now

LivePosition · updated 4m ago
SFO1,122 mi · ~1h 54m leftIAD
35,000 ftAltitudecruising
617 mphSpeed536 kt
91°Direction

Live position · flown path, last 5h 58m

Typical gate push−3 minmedian posted departure
Typical arrival−16 minmedian over 4 operations
Wins back in air~13 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
11-01
−5 gate · −16 arrival
10-31
−5 gate
10-30
+5 gate · −16 arrival
10-29
−2 gate · +0 arrival
10-28
−28 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 −16 min · 0 cancelled · 5 operations tracked

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
IADWashingtonOn-time likelyIAD delay board →
SFO→IADevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
3.0%Chance of cancellation
+11 minTypical airport delay in this weather

Conditions at SFO and IAD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

San Francisco to Washington with United Airlines · Mon 2 Nov, local date

Outlook: about usual
Chance a departure is cancelled
0.3%1.5× usual
Chance a departure leaves 60+ min late
3.3%1.0× usual

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 9 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 San Francisco to Washington flights today

same route · United Airlines
UA785departs 06:15
UA2861departs 06:45
UA599departs 08:10
UA336departs 10:50
UA3918departs 12:45
UA755departs 12:45

If UA2837 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Washington on the same day, with scheduled departure times in SFO local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA2837 actually runs

Pro Flight Search has tracked every published board update for UA2837 across the SFO and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min early. Based on 4 confirmed landings · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA2837 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
11-01SFO 23:20 23:15 (−5)IAD 07:28 07:12 (−16)
10-31SFO 23:20 23:15 (−5)IAD
10-30SFO 23:20 23:25 (+5)IAD 07:28 07:12 (−16)
10-29SFO 23:20 23:18 (−2)IAD 07:28 (+0)
10-28SFO 23:20IAD 07:24 06:56 (−28)

Aircraft

Recent tails: N17461, N47434, N210UA.

Board clocks recorded as SFO 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: UA2837 San Francisco to Washington on-time performance, measured from the SFO and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA2837
How we measure this →