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(DL) Delta Air Lines 2635 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
80%
Late
3
5%
Very Late
1
2%
Excessive
7
12%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
32.42857142857143
Standard Deviation
34.3
Min
0
Max
119

DL 2635 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 80%
Average Delay Time 32.42857142857143 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
3.8 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 32.42857142857143 min
This flight has an average delay of 32.42857142857143 minutes with a standard deviation of 34.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.