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(DL) Delta Air Lines 3966 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(SMF) Sacramento International Airport

Sacramento, CA, US

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
83%
Late
2
6%
Very Late
0
0%
Excessive
4
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
9
Codeshares
36
Average Delay (min.)
63
Standard Deviation
68.6
Min
0
Max
191

DL 3966 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 83%
Average Delay Time 63 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 63 min
This flight has an average delay of 63 minutes with a standard deviation of 68.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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