Flight OddsAmerican Airlines · Chicago, IL to San Francisco, CA · 311 flights observed, 2025-07-01 to 2026-06-30 · 1,846 mi
AA1253 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 AA1253 on time?
Across 311 flights on ORD → SFO from 2025-07-01 to 2026-06-30, AA1253 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +80 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 | 220 | 71% |
| 16-30 min | 23 | 7% |
| 31-60 min | 27 | 9% |
| 61-120 min | 19 | 6% |
| 2+ hrs | 20 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 81% | +25 min |
| 2025-08 | 31 | 81% | +15 min |
| 2025-09 | 27 | 89% | -7 min |
| 2025-10 | 5 | 40% | +67 min |
| 2025-11 | 29 | 76% | +23 min |
| 2025-12 | 31 | 58% | +22 min |
| 2026-01 | 30 | 67% | +32 min |
| 2026-02 | 11 | 82% | -18 min |
| 2026-03 | 23 | 52% | +25 min |
| 2026-04 | 30 | 87% | +4 min |
| 2026-05 | 31 | 71% | +24 min |
| 2026-06 | 30 | 50% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 70% |
| Tue | 46 | 83% |
| Wed | 44 | 70% |
| Thu | 43 | 60% |
| Fri | 44 | 61% |
| Sat | 43 | 77% |
| Sun | 45 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…