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(DL) Delta Air Lines 2666 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
74%
Late
5
9%
Very Late
3
5%
Excessive
6
10%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
67.80952380952381
Standard Deviation
142.2
Min
0
Max
658

DL 2666 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 75%
Average Delay Time 67.80952380952381 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 67.80952380952381 min
This flight has an average delay of 67.80952380952381 minutes with a standard deviation of 142.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.