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(DL) Delta Air Lines 4038 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(BIL) Billings Logan International Airport

Billings, MT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
54
93%
Late
2
3%
Very Late
2
3%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
15
Codeshares
58
Average Delay (min.)
11.066666666666666
Standard Deviation
12.7
Min
0
Max
40

DL 4038 On-Time Performance Details

Overall Rating
4.9 of 5
Very Good
Percentage On-Time 93%
Average Delay Time 11.066666666666666 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 96% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. 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
4.7 of 5
Very Good
Average Delay Time 11.066666666666666 min
This flight has an average delay of 11.066666666666666 minutes with a standard deviation of 12.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.

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