Flight OddsAA4931 DTW → ORD
American Airlines · Detroit, MI to Chicago, IL · 29 flights observed, 2025-11-02 to 2025-12-02 · 235 mi
AA4931 covers more than one route in the data window — the stats below are for DTW → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
+3 min
90th percentile
+97 min
Cancellation rate
7%
How often is AA4931 on time?
Across 29 flights on DTW → ORD from 2025-11-02 to 2025-12-02, AA4931 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +97 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 | 19 | 70% |
| 16-30 min | 2 | 7% |
| 31-60 min | 2 | 7% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 3 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 26 | 73% | +36 min |
| 2025-12 | 1 | 0% | +144 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 5 | 40% |
| Wed | 4 | 50% |
| Thu | 3 | 100% |
| Fri | 4 | 100% |
| Sat | 3 | 100% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…