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

Date Range:

15-Feb-2025 to 15-Apr-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
83%
Late
1
4%
Very Late
0
0%
Excessive
3
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
79.83333333333333
Standard Deviation
111.7
Min
0
Max
300

DL 508 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 83%
Average Delay Time 79.83333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 79.83333333333333 min
This flight has an average delay of 79.83333333333333 minutes with a standard deviation of 111.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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