background

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

Date Range:

01-Sep-2025 to 31-Oct-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
49
94%
Late
0
0%
Very Late
2
4%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
7
Codeshares
51
Average Delay (min.)
11.571428571428571
Standard Deviation
15.1
Min
0
Max
34

DL 3840 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 96%
Average Delay Time 11.571428571428571 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 11.571428571428571 min
This flight has an average delay of 11.571428571428571 minutes with a standard deviation of 15.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

Other Stops for DL 3840