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(DL) Delta Air Lines 4139 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(MOB) Mobile Regional Airport

Mobile, AL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
47%
Late
3
20%
Very Late
2
13%
Excessive
3
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
11
Codeshares
15
Average Delay (min.)
58.36363636363637
Standard Deviation
92.4
Min
0
Max
323

DL 4139 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 47%
Average Delay Time 58.36363636363637 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% 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
0.3 of 5
Very Poor
Average Delay Time 58.36363636363637 min
This flight has an average delay of 58.36363636363637 minutes with a standard deviation of 92.4 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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