Flight OddsAmerican Airlines · San Francisco, CA to Chicago, IL · 74 flights observed, 2026-03-08 to 2026-05-20 · 1,846 mi
AA1253 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 AA1253 on time?
Across 74 flights on SFO → ORD from 2026-03-08 to 2026-05-20, AA1253 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +124 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 | 45 | 64% |
| 16-30 min | 8 | 11% |
| 31-60 min | 5 | 7% |
| 61-120 min | 4 | 6% |
| 2+ hrs | 8 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 22 | 73% | +22 min |
| 2026-04 | 29 | 59% | +34 min |
| 2026-05 | 19 | 63% | +49 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 45% |
| Tue | 10 | 50% |
| Wed | 11 | 73% |
| Thu | 9 | 56% |
| Fri | 9 | 67% |
| Sat | 10 | 90% |
| Sun | 10 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…