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(DL) Delta Air Lines 4959 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(JAX) Jacksonville International Airport

Jacksonville, FL, US

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
84%
Late
1
2%
Very Late
0
0%
Excessive
1
2%
Cancelled
8
13%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
8
Codeshares
61
Average Delay (min.)
15.5
Standard Deviation
15.9
Min
0
Max
51

DL 4959 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 84%
Average Delay Time 15.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very 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 98% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 15.5 min
This flight has an average delay of 15.5 minutes with a standard deviation of 15.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.