Flight OddsUnited Airlines · San Francisco, CA to Chicago, IL · 278 flights observed, 2025-09-25 to 2026-06-30 · 1,846 mi
UA2091 covers more than one route in the data window — the stats below are for SFO → ORD, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA2091 on time?
Across 278 flights on SFO → ORD from 2025-09-25 to 2026-06-30, UA2091 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +9 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 | 257 | 93% |
| 16-30 min | 10 | 4% |
| 31-60 min | 4 | 1% |
| 61-120 min | 4 | 1% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 6 | 100% | -23 min |
| 2025-10 | 31 | 94% | -16 min |
| 2025-11 | 30 | 87% | +8 min |
| 2025-12 | 31 | 90% | -10 min |
| 2026-01 | 31 | 90% | -7 min |
| 2026-02 | 27 | 100% | -21 min |
| 2026-03 | 30 | 87% | -10 min |
| 2026-04 | 30 | 90% | -9 min |
| 2026-05 | 31 | 97% | -12 min |
| 2026-06 | 30 | 100% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 40 | 93% |
| Tue | 39 | 97% |
| Wed | 38 | 97% |
| Thu | 40 | 93% |
| Fri | 40 | 85% |
| Sat | 40 | 98% |
| Sun | 40 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…