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(DL) Delta Air Lines 2 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(LHR) London Heathrow Airport

London, EN, GB

(JFK) John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
53
87%
Late
4
7%
Very Late
3
5%
Excessive
0
0%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
15
Standard Deviation
12.1
Min
2
Max
42

DL 2 On-time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 87%
Average Delay Time 15 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 15 min
This flight has an average delay of 15 minutes with a standard deviation of 12.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.