Flight OddsAA4931 ORD → DTW
American Airlines · Chicago, IL to Detroit, MI · 41 flights observed, 2026-05-21 to 2026-06-30 · 235 mi
AA4931 covers more than one route in the data window — the stats below are for ORD → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
+11 min
90th percentile
+156 min
Cancellation rate
7%
How often is AA4931 on time?
Across 41 flights on ORD → DTW from 2026-05-21 to 2026-06-30, AA4931 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +156 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 58% |
| 16-30 min | 3 | 8% |
| 31-60 min | 2 | 5% |
| 61-120 min | 5 | 13% |
| 2+ hrs | 6 | 16% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 11 | 82% | +19 min |
| 2026-06 | 27 | 48% | +47 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 50% |
| Tue | 6 | 67% |
| Wed | 3 | 67% |
| Thu | 5 | 80% |
| Fri | 6 | 50% |
| Sat | 6 | 83% |
| Sun | 6 | 17% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…