Flight OddsUnited Airlines · Chicago, IL to San Francisco, CA · 135 flights observed, 2026-01-06 to 2026-05-20 · 1,846 mi
UA1097 covers more than one route in the data window — the stats below are for ORD → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1097 on time?
Across 135 flights on ORD → SFO from 2026-01-06 to 2026-05-20, UA1097 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +41 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 | 107 | 79% |
| 16-30 min | 4 | 3% |
| 31-60 min | 15 | 11% |
| 61-120 min | 5 | 4% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 88% | -8 min |
| 2026-02 | 28 | 86% | -9 min |
| 2026-03 | 31 | 90% | -3 min |
| 2026-04 | 30 | 73% | +9 min |
| 2026-05 | 20 | 50% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 63% |
| Tue | 20 | 90% |
| Wed | 20 | 80% |
| Thu | 19 | 84% |
| Fri | 19 | 74% |
| Sat | 19 | 95% |
| Sun | 19 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…