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(DL) Delta Air Lines 1139 On-Time Performance Rating

Date Range:

01-Mar-2024 to 30-Apr-2024

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(BOS) Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
77%
Late
2
4%
Very Late
2
4%
Excessive
8
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
30
Codeshares
0
Average Delay (min.)
27.166666666666668
Standard Deviation
35
Min
0
Max
156

DL 1139 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 77%
Average Delay Time 27.166666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 63% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 27.166666666666668 min
This flight has an average delay of 27.166666666666668 minutes with a standard deviation of 35 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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