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

Date Range:

15-Jul-2018 to 15-Sep-2018

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(BOI) Boise Air Terminal (Gowen Field)

Boise, ID, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
85%
Late
0
0%
Very Late
0
0%
Excessive
7
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
48
Total Delays ( > 1 min )
25
Codeshares
48
Average Delay (min.)
28
Standard Deviation
44.4
Min
0
Max
180

DL 4509 On-time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 85%
Average Delay Time 28 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 81% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 28 min
This flight has an average delay of 28 minutes with a standard deviation of 44.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.