About 6 in 10 UA 2657 flights from Santa Ana arrived 15+ minutes late, diverted or cancelled over the past year (63%); 3.7% were cancelled. The typical flight landed 24 minutes late.
UA 2657: SNA → SFO
Scheduled to leave Santa Ana at 6:20 p.m. local time. Over the past year it arrived on time 37% of the time (135 flights), worse than other UA flights on the route at that hour (59%). Last seen in the data Aug 10, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 20 | 25% |
| Tuesday | 19 | — |
| Wednesday | 19 | — |
| Thursday | 19 | — |
| Friday | 19 | — |
| Saturday | 19 | — |
| Sunday | 20 | 15% |
Why it was late
All flights SNA → SFO · Connecting off UA 2657? Check the risk
UA 2657: DEN → SNA
Scheduled to leave Denver at 4:00 p.m. local time. Over the past year it arrived on time 79% of the time (134 flights), better than other UA flights on the route at that hour (74%). Last seen in the data Aug 10, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 20 | 65% |
| Tuesday | 19 | — |
| Wednesday | 19 | — |
| Thursday | 19 | — |
| Friday | 19 | — |
| Saturday | 18 | — |
| Sunday | 20 | 65% |
Why it was late
All flights DEN → SNA · Connecting off UA 2657? Check the risk
Questions
How often is UA 2657 from SNA to SFO late?
United Airlines 2657 from Santa Ana, CA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 63% of 135 scheduled flights between September 2025 and August 2026. 3.7% were cancelled.
How often is UA 2657 from DEN to SNA late?
United Airlines 2657 from Denver, CO to Santa Ana, CA arrived 15 or more minutes late, was diverted or was cancelled on 21% of 134 scheduled flights between September 2025 and August 2026. 0.0% 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.