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(DL) Delta Air Lines 4935 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(CHA) Chattanooga Metropolitan Airport

Chattanooga, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
88%
Late
3
5%
Very Late
1
2%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
13
Codeshares
56
Average Delay (min.)
38.46153846153846
Standard Deviation
51.2
Min
0
Max
179

DL 4935 On-Time Performance Details

Overall Rating
3.7 of 5
Good
Percentage On-Time 88%
Average Delay Time 38.46153846153846 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 72% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 38.46153846153846 min
This flight has an average delay of 38.46153846153846 minutes with a standard deviation of 51.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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