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(DL) Delta Air Lines 3963 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(LAX) Los Angeles International Airport

Los Angeles, CA, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
63%
Late
1
4%
Very Late
4
15%
Excessive
5
19%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
10
Codeshares
27
Average Delay (min.)
73.4
Standard Deviation
74.8
Min
0
Max
254

DL 3963 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 63%
Average Delay Time 73.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 73.4 min
This flight has an average delay of 73.4 minutes with a standard deviation of 74.8 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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