AA4378 DCA → ATL

American Airlines · Washington, DC to Atlanta, GA · 25 flights observed, 2026-03-09 to 2026-04-06 · 547 mi

This flight has a strong track record — on time 92% of the time, with a low cancellation rate.

AA4378 covers more than one route in the data window — the stats below are for DCA → ATL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
92%
Median delay
-12 min
90th percentile
+13 min
Cancellation rate
0%

How often is AA4378 on time?

Across 25 flights on DCA → ATL from 2026-03-09 to 2026-04-06, AA4378 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +13 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time2392%
16-30 min28%
31-60 min00%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032095%-9 min
2026-04580%-15 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue4100%
Wed4100%
Thu475%
Fri4100%
Sat4100%
SunNo data—

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…