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(DL) Delta Air Lines 4135 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(EUG) Eugene Mahlon Sweet Field Airport

Eugene, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
58
95%
Late
3
5%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
11
Codeshares
61
Average Delay (min.)
9.454545454545455
Standard Deviation
6.5
Min
0
Max
20

DL 4135 On-Time Performance Details

Overall Rating
4.9 of 5
Very Good
Percentage On-Time 95%
Average Delay Time 9.454545454545455 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 96% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. 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
4.7 of 5
Very Good
Average Delay Time 9.454545454545455 min
This flight has an average delay of 9.454545454545455 minutes with a standard deviation of 6.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.

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