UA1944 SEA → SFO

United Airlines · Seattle, WA to San Francisco, CA · 30 flights observed, 2025-07-01 to 2025-07-31 · 679 mi

This flight has been on time less than half the time (43%) — expect a real chance of a delay.

UA1944 covers more than one route in the data window — the stats below are for SEA → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
43%
Median delay
+16 min
90th percentile
+100 min
Cancellation rate
0%

How often is UA1944 on time?

Across 30 flights on SEA → SFO from 2025-07-01 to 2025-07-31, UA1944 arrived within 15 minutes of schedule 43% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +100 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1343%
16-30 min517%
31-60 min827%
61-120 min13%
2+ hrs310%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073043%+42 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue580%
Wed540%
Thu520%
Fri333%
Sat450%
Sun450%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…