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(DL) Delta Air Lines 4631 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(CHA) Chattanooga Metropolitan Airport

Chattanooga, TN, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
59%
Late
3
5%
Very Late
1
2%
Excessive
14
25%
Cancelled
3
5%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
27
Codeshares
54
Average Delay (min.)
64.48148148148148
Standard Deviation
90
Min
0
Max
414

DL 4631 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 61%
Average Delay Time 64.48148148148148 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 64.48148148148148 min
This flight has an average delay of 64.48148148148148 minutes with a standard deviation of 90 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.