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

Date Range:

15-Jan-2020 to 15-Mar-2020

(JFK) 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
54
89%
Late
3
5%
Very Late
1
2%
Excessive
2
3%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
28
Standard Deviation
41.7
Min
0
Max
142

DL 1 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 89%
Average Delay Time 28 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 28 min
This flight has an average delay of 28 minutes with a standard deviation of 41.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.