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(DL) Delta Air Lines 4509 On-time Performance Rating

Date Range:

15-Apr-2018 to 15-Jun-2018

(SLC) Salt Lake City International AirportSalt Lake City, UT, US
(BOI) Boise Air Terminal (Gowen Field)Boise, ID, US
On-Time Performance Chart
(using rounded numbers)
On-Time
51
84%
Late
1
2%
Very Late
3
5%
Excessive
6
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
16
Codeshares
61
Average Delay (min.)
71
Standard Deviation
108
Min
0
Max
414
DL 4509 On-time Performance Details
Overall Rating
2.3 of 5
Average
Percentage On-Time 84%
Average Delay Time 71 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-time Performance Rating
4.6 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 92% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 71 min
This flight has an average delay of 71 minutes with a standard deviation of 108 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.