About 1 in 3 UA 5631 flights from Palm Springs arrived 15+ minutes late, diverted or cancelled over the past year (39%); 0.0% were cancelled. The typical flight landed 3 minutes late.
UA 5631: PSP → SFO
Scheduled to leave Palm Springs at 6:27 p.m. local time, operated by SkyWest as OO 5631. Over the past year it arrived on time 61% of the time (218 flights), in line with other UA flights on the route at that hour (58%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Palm Springs to San Francisco (65% of days). United Airlines's last PSP–SFO flight was cancelled 0.8% of the time, against 0.4% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 6:45 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 38 | 55% |
| Tuesday | 21 | 57% |
| Wednesday | 32 | 75% |
| Thursday | 37 | 70% |
| Friday | 36 | 47% |
| Saturday | 18 | — |
| Sunday | 36 | 50% |
Why it was late
All flights PSP → SFO · Connecting off UA 5631? Check the risk
Questions
How often is UA 5631 from PSP to SFO late?
United Airlines 5631 from Palm Springs, CA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 39% of 218 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.