Flight OddsUA2633 DEN → SFO
United Airlines · Denver, CO to San Francisco, CA · 364 flights observed, 2025-07-01 to 2026-06-30 · 967 mi
UA2633 covers more than one route in the data window — the stats below are for DEN → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-3 min
90th percentile
+61 min
Cancellation rate
1%
How often is UA2633 on time?
Across 364 flights on DEN → SFO from 2025-07-01 to 2026-06-30, UA2633 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +61 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 277 | 77% |
| 16-30 min | 27 | 7% |
| 31-60 min | 21 | 6% |
| 61-120 min | 21 | 6% |
| 2+ hrs | 16 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 79% | +10 min |
| 2025-08 | 31 | 87% | +10 min |
| 2025-09 | 30 | 77% | +7 min |
| 2025-10 | 31 | 74% | +4 min |
| 2025-11 | 29 | 83% | +6 min |
| 2025-12 | 31 | 81% | +12 min |
| 2026-01 | 31 | 81% | +9 min |
| 2026-02 | 28 | 79% | +19 min |
| 2026-03 | 31 | 94% | -11 min |
| 2026-04 | 30 | 73% | +14 min |
| 2026-05 | 31 | 68% | +10 min |
| 2026-06 | 30 | 43% | +53 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 77% |
| Tue | 53 | 79% |
| Wed | 52 | 83% |
| Thu | 50 | 74% |
| Fri | 52 | 75% |
| Sat | 52 | 73% |
| Sun | 51 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…