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(DL) Delta Air Lines 4637 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(MOB) Mobile Regional Airport

Mobile, AL, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
81%
Late
2
4%
Very Late
1
2%
Excessive
5
9%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
9
Codeshares
52
Average Delay (min.)
55.77777777777778
Standard Deviation
39.5
Min
0
Max
126

DL 4637 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 83%
Average Delay Time 55.77777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 55.77777777777778 min
This flight has an average delay of 55.77777777777778 minutes with a standard deviation of 39.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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