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(DL) Delta Air Lines 939 On-time Performance Rating

Date Range:

15-Mar-2018 to 15-May-2018

(SLC) Salt Lake City International AirportSalt Lake City, UT, US
(SEA) Seattle-Tacoma International AirportSeattle, WA, US
On-Time Performance Chart
(using rounded numbers)
On-Time
25
89%
Late
1
4%
Very Late
1
4%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
25
Standard Deviation
25.2
Min
3
Max
69
DL 939 On-time Performance Details
Overall Rating
3.8 of 5
Good
Percentage On-Time 89%
Average Delay Time 25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 25 min
This flight has an average delay of 25 minutes with a standard deviation of 25.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.