Flight OddsUnited Airlines · St. Louis, MO to San Francisco, CA · 39 flights observed, 2025-07-02 to 2025-08-18 · 1,735 mi
UA2110 covers more than one route in the data window — the stats below are for STL → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA2110 on time?
Across 39 flights on STL → SFO from 2025-07-02 to 2025-08-18, UA2110 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +111 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 23 | 61% |
| 16-30 min | 4 | 11% |
| 31-60 min | 3 | 8% |
| 61-120 min | 5 | 13% |
| 2+ hrs | 3 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 20 | 50% | +37 min |
| 2025-08 | 18 | 72% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 43% |
| Tue | 2 | 100% |
| Wed | 7 | 43% |
| Thu | 7 | 57% |
| Fri | 6 | 83% |
| Sat | 3 | 100% |
| Sun | 6 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…