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(DL) Delta Air Lines 5991 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(LHR) London Heathrow Airport

London, EN, GB

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
65%
Late
5
8%
Very Late
0
0%
Excessive
12
20%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
24
Codeshares
60
Average Delay (min.)
38.416666666666664
Standard Deviation
28.3
Min
0
Max
86

DL 5991 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 65%
Average Delay Time 38.416666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 38.416666666666664 min
This flight has an average delay of 38.416666666666664 minutes with a standard deviation of 28.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.