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(DL) Delta Air Lines 3840 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(SJC) San Jose Mineta International Airport

San Jose, CA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
81%
Late
3
6%
Very Late
2
4%
Excessive
3
6%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
15
Codeshares
50
Average Delay (min.)
45.666666666666664
Standard Deviation
70.9
Min
0
Max
232

DL 3840 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 84%
Average Delay Time 45.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. 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
0.7 of 5
Poor
Average Delay Time 45.666666666666664 min
This flight has an average delay of 45.666666666666664 minutes with a standard deviation of 70.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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