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(DL) Delta Air Lines 3979 On-Time Performance Rating

Date Range:

01-Mar-2021 to 30-Apr-2021

(TUL) Tulsa International Airport

Tulsa, OK, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
59
95%
Late
1
2%
Very Late
1
2%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
10
Codeshares
62
Average Delay (min.)
51
Standard Deviation
126.9
Min
0
Max
412

DL 3979 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 95%
Average Delay Time 51 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 54% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. 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
0.5 of 5
Very Poor
Average Delay Time 51 min
This flight has an average delay of 51 minutes with a standard deviation of 126.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.