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(AA) American Airlines 4378 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
47%
Late
7
37%
Very Late
2
11%
Excessive
1
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
13
Codeshares
19
Average Delay (min.)
21.76923076923077
Standard Deviation
11.8
Min
0
Max
45

AA 4378 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 47%
Average Delay Time 21.76923076923077 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 47%
This flight has an on-time performance of 47%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 21.76923076923077 min
This flight has an average delay of 21.76923076923077 minutes with a standard deviation of 11.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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