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(DL) Delta Air Lines 19 On-time Performance Rating

Date Range:

15-May-2018 to 15-Jul-2018

(LHR) London Heathrow AirportLondon, EN, GB
(DTW) Detroit Metropolitan Wayne County AirportDetroit, MI, US
On-Time Performance Chart
(using rounded numbers)
On-Time
24
89%
Late
0
0%
Very Late
0
0%
Excessive
3
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
46
Standard Deviation
52.8
Min
3
Max
125
DL 19 On-time Performance Details
Overall Rating
3.0 of 5
Average
Percentage On-Time 89%
Average Delay Time 46 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 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 97% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 46 min
This flight has an average delay of 46 minutes with a standard deviation of 52.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.