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(DL) Delta Air Lines 4498 On-time Performance Rating

Date Range:

15-Jun-2018 to 15-Aug-2018

(BIL) Billings Logan International Airport

Billings, MT, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
54
87%
Late
2
3%
Very Late
2
3%
Excessive
4
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
22
Codeshares
62
Average Delay (min.)
23
Standard Deviation
34.7
Min
0
Max
149

DL 4498 On-time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 87%
Average Delay Time 23 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 23 min
This flight has an average delay of 23 minutes with a standard deviation of 34.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.