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(DL) Delta Air Lines 1491 On-Time Performance Rating

Date Range:

15-Nov-2020 to 15-Jan-2021

(GEG) Spokane International Airport

Spokane, WA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
79%
Late
6
11%
Very Late
2
4%
Excessive
3
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
19
Standard Deviation
22.7
Min
0
Max
76

DL 1491 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 79%
Average Delay Time 19 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
0.8 of 5
Poor
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 19 min
This flight has an average delay of 19 minutes with a standard deviation of 22.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.