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(DL) Delta Air Lines 3631 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(ABQ) Albuquerque International Sunport

Albuquerque, NM, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
84%
Late
3
7%
Very Late
0
0%
Excessive
4
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
12
Codeshares
44
Average Delay (min.)
49.833333333333336
Standard Deviation
65.1
Min
0
Max
198

DL 3631 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 84%
Average Delay Time 49.833333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very 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 95% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 49.833333333333336 min
This flight has an average delay of 49.833333333333336 minutes with a standard deviation of 65.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.