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(DL) Delta Air Lines 1581 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(DEN) Denver International Airport

Denver, CO, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
91%
Late
0
0%
Very Late
1
2%
Excessive
4
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
63.45454545454545
Standard Deviation
96.3
Min
0
Max
313

DL 1581 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 91%
Average Delay Time 63.45454545454545 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 63.45454545454545 min
This flight has an average delay of 63.45454545454545 minutes with a standard deviation of 96.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.