About 1 in 7 UA 1453 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (14%); 0.3% were cancelled. The typical flight landed 11 minutes early.
UA 1453: SFO → IAD
Scheduled to leave San Francisco at 4:55 p.m. local time. Over the past year it arrived on time 86% of the time (298 flights), in line with other UA flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 45 | 73% |
| Tuesday | 32 | 91% |
| Wednesday | 36 | 92% |
| Thursday | 48 | 85% |
| Friday | 47 | 89% |
| Saturday | 40 | 93% |
| Sunday | 50 | 82% |
Why it was late
All flights SFO → IAD · Connecting off UA 1453? Check the risk
UA 1453: BUR → SFO
Scheduled to leave Burbank at 1:45 p.m. local time. Over the past year it arrived on time 60% of the time (293 flights), better than other UA flights on the route at that hour (52%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 43 | 60% |
| Tuesday | 42 | 69% |
| Wednesday | 42 | 67% |
| Thursday | 42 | 52% |
| Friday | 41 | 44% |
| Saturday | 41 | 71% |
| Sunday | 42 | 55% |
Why it was late
All flights BUR → SFO · Connecting off UA 1453? Check the risk
Questions
How often is UA 1453 from SFO to IAD late?
United Airlines 1453 from San Francisco, CA to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 14% of 298 scheduled flights between September 2025 and August 2026. 0.3% were cancelled.
How often is UA 1453 from BUR to SFO late?
United Airlines 1453 from Burbank, CA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 40% of 293 scheduled flights between September 2025 and August 2026. 1.7% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.