Flight OddsAA4778 DCA → ORD
American Airlines · Washington, DC to Chicago, IL · 12 flights observed, 2025-11-20 to 2025-12-02 · 612 mi
AA4778 covers more than one route in the data window — the stats below are for DCA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
55%
Median delay
+12 min
90th percentile
+46 min
Cancellation rate
8%
How often is AA4778 on time?
Across 12 flights on DCA → ORD from 2025-11-20 to 2025-12-02, AA4778 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +46 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 6 | 55% |
| 16-30 min | 2 | 18% |
| 31-60 min | 2 | 18% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 9 | 67% | +39 min |
| 2025-12 | 2 | 0% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 2 | 50% |
| Wed | 1 | 0% |
| Thu | 1 | 100% |
| Fri | 2 | 100% |
| Sat | 1 | 100% |
| Sun | 2 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…