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(DL) Delta Air Lines 31 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(LHR) London Heathrow Airport

London, EN, GB

(ATL) Hartsfield-Jackson Atlanta International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
78%
Late
9
16%
Very Late
0
0%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
30
Standard Deviation
54.8
Min
0
Max
263

DL 31 On-time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 78%
Average Delay Time 30 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-time Performance Rating
1.9 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 30 min
This flight has an average delay of 30 minutes with a standard deviation of 54.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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