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(DL) Delta Air Lines 5517 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(PWM) Portland International Jetport

Portland, ME, US

On-Time Performance Chart

(using rounded numbers)
On-Time
28
78%
Late
2
6%
Very Late
1
3%
Excessive
4
11%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
15
Codeshares
36
Average Delay (min.)
58.733333333333334
Standard Deviation
139.9
Min
0
Max
556

DL 5517 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 78%
Average Delay Time 58.733333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 21% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 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 42% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 58.733333333333334 min
This flight has an average delay of 58.733333333333334 minutes with a standard deviation of 139.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.