Flight OddsAmerican Airlines · San Francisco, CA to Chicago, IL · 44 flights observed, 2026-04-07 to 2026-05-20 · 1,846 mi
AA1557 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 AA1557 on time?
Across 44 flights on SFO → ORD from 2026-04-07 to 2026-05-20, AA1557 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +80 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 | 26 | 60% |
| 16-30 min | 4 | 9% |
| 31-60 min | 5 | 12% |
| 61-120 min | 4 | 9% |
| 2+ hrs | 4 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 23 | 57% | +29 min |
| 2026-05 | 20 | 65% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 20% |
| Tue | 7 | 71% |
| Wed | 7 | 71% |
| Thu | 6 | 67% |
| Fri | 6 | 50% |
| Sat | 6 | 67% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…