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(DL) Delta Air Lines 4858 On-time Performance Rating

Date Range:

15-May-2018 to 15-Jul-2018

(SLC) Salt Lake City International AirportSalt Lake City, UT, US
(ONT) Ontario International AirportOntario, CA, US
On-Time Performance Chart
(using rounded numbers)
On-Time
19
79%
Late
1
4%
Very Late
1
4%
Excessive
3
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
7
Codeshares
24
Average Delay (min.)
62
Standard Deviation
67.1
Min
0
Max
170
DL 4858 On-time Performance Details
Overall Rating
2.1 of 5
Average
Percentage On-Time 79%
Average Delay Time 62 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-time Performance Rating
3.8 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 62 min
This flight has an average delay of 62 minutes with a standard deviation of 67.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.