Flight OddsUnited Airlines · Palm Springs, CA to San Francisco, CA · 175 flights observed, 2025-08-19 to 2026-06-30 · 421 mi
UA5631 covers more than one route in the data window — the stats below are for PSP → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA5631 on time?
Across 175 flights on PSP → SFO from 2025-08-19 to 2026-06-30, UA5631 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +63 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 123 | 71% |
| 16-30 min | 14 | 8% |
| 31-60 min | 15 | 9% |
| 61-120 min | 17 | 10% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 100% | -19 min |
| 2025-09 | 24 | 96% | -13 min |
| 2026-01 | 17 | 94% | -31 min |
| 2026-02 | 21 | 86% | +3 min |
| 2026-03 | 28 | 89% | -14 min |
| 2026-04 | 26 | 62% | +35 min |
| 2026-05 | 20 | 35% | +26 min |
| 2026-06 | 25 | 20% | +47 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 30 | 67% |
| Tue | 15 | 67% |
| Wed | 25 | 84% |
| Thu | 30 | 77% |
| Fri | 29 | 59% |
| Sat | 16 | 81% |
| Sun | 29 | 66% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…