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(DL) Delta Air Lines 508 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
83%
Late
1
4%
Very Late
1
4%
Excessive
1
4%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
37
Standard Deviation
47.3
Min
0
Max
119

DL 508 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 87%
Average Delay Time 37 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 60% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
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 84% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 37 min
This flight has an average delay of 37 minutes with a standard deviation of 47.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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