Flight OddsAA3637 BHM → ORD
American Airlines · Birmingham, AL to Chicago, IL · 24 flights observed, 2026-02-12 to 2026-03-07 · 584 mi
AA3637 covers more than one route in the data window — the stats below are for BHM → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
+1 min
90th percentile
+27 min
Cancellation rate
4%
How often is AA3637 on time?
Across 24 flights on BHM → ORD from 2026-02-12 to 2026-03-07, AA3637 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +27 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 18 | 78% |
| 16-30 min | 3 | 13% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 17 | 76% | +7 min |
| 2026-03 | 6 | 83% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 3 | 100% |
| Wed | 3 | 100% |
| Thu | 4 | 100% |
| Fri | 3 | 67% |
| Sat | 4 | 50% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…