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(AA) American Airlines 4540 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

(YHZ) Halifax Stanfield International Airport

Halifax, NS, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
31
84%
Late
4
11%
Very Late
1
3%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
10
Codeshares
37
Average Delay (min.)
20.7
Standard Deviation
13.4
Min
0
Max
53

AA 4540 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 84%
Average Delay Time 20.7 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 20.7 min
This flight has an average delay of 20.7 minutes with a standard deviation of 13.4 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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