Flight OddsAA1178 DCA → MIA
American Airlines · Washington, DC to Miami, FL · 181 flights observed, 2025-07-01 to 2026-06-30 · 919 mi
AA1178 covers more than one route in the data window — the stats below are for DCA → MIA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-14 min
90th percentile
+12 min
Cancellation rate
2%
How often is AA1178 on time?
Across 181 flights on DCA → MIA from 2025-07-01 to 2026-06-30, AA1178 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +12 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 164 | 93% |
| 16-30 min | 4 | 2% |
| 31-60 min | 5 | 3% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 96% | -9 min |
| 2025-08 | 31 | 90% | -6 min |
| 2025-09 | 30 | 97% | -9 min |
| 2025-10 | 5 | 100% | -25 min |
| 2026-04 | 24 | 83% | +44 min |
| 2026-05 | 31 | 87% | -9 min |
| 2026-06 | 29 | 100% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 92% |
| Tue | 27 | 96% |
| Wed | 25 | 88% |
| Thu | 25 | 92% |
| Fri | 26 | 92% |
| Sat | 25 | 100% |
| Sun | 25 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…