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(DL) Delta Air Lines 3687 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(SNA) John Wayne Airport

Santa Ana, CA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
88%
Late
1
4%
Very Late
2
8%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
5
Codeshares
24
Average Delay (min.)
18.2
Standard Deviation
14.6
Min
0
Max
32

DL 3687 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 88%
Average Delay Time 18.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 18.2 min
This flight has an average delay of 18.2 minutes with a standard deviation of 14.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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