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(DL) Delta Air Lines 3747 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(ONT) Ontario International Airport

Ontario, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
88%
Late
1
4%
Very Late
0
0%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
6
Codeshares
25
Average Delay (min.)
26.166666666666668
Standard Deviation
28.3
Min
0
Max
73

DL 3747 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 88%
Average Delay Time 26.166666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 26.166666666666668 min
This flight has an average delay of 26.166666666666668 minutes with a standard deviation of 28.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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