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(DL) Delta Air Lines 1 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
38
61%
Late
6
10%
Very Late
3
5%
Excessive
13
21%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
28
Codeshares
0
Average Delay (min.)
50.964285714285715
Standard Deviation
41.2
Min
0
Max
138

DL 1 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 63%
Average Delay Time 50.964285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 9% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 50.964285714285715 min
This flight has an average delay of 50.964285714285715 minutes with a standard deviation of 41.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.