Flight OddsAA4557 IAH → DCA
American Airlines · Houston, TX to Washington, DC · 27 flights observed, 2025-09-03 to 2025-10-05 · 1,208 mi
AA4557 covers more than one route in the data window — the stats below are for IAH → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
59%
Median delay
+7 min
90th percentile
+56 min
Cancellation rate
0%
How often is AA4557 on time?
Across 27 flights on IAH → DCA from 2025-09-03 to 2025-10-05, AA4557 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +56 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 59% |
| 16-30 min | 3 | 11% |
| 31-60 min | 6 | 22% |
| 61-120 min | 2 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 23 | 57% | +20 min |
| 2025-10 | 4 | 75% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 50% |
| Wed | 5 | 40% |
| Thu | 5 | 60% |
| Fri | 4 | 100% |
| Sat | No data | — |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…