Flight OddsAA4778 ORD → DCA
American Airlines · Chicago, IL to Washington, DC · 35 flights observed, 2025-11-02 to 2025-12-17 · 612 mi
AA4778 covers more than one route in the data window — the stats below are for ORD → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
63%
Median delay
+10 min
90th percentile
+62 min
Cancellation rate
6%
How often is AA4778 on time?
Across 35 flights on ORD → DCA from 2025-11-02 to 2025-12-17, AA4778 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +62 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 63% |
| 16-30 min | 3 | 9% |
| 31-60 min | 5 | 16% |
| 61-120 min | 4 | 13% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 19 | 68% | +15 min |
| 2025-12 | 13 | 54% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 4 | 75% |
| Wed | 6 | 50% |
| Thu | 4 | 50% |
| Fri | 3 | 67% |
| Sat | 6 | 67% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…