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(DL) Delta Air Lines 1637 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ICT) Wichita Dwight D. Eisenhower National Airport

Wichita, KS, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
81%
Late
5
8%
Very Late
0
0%
Excessive
3
5%
Cancelled
2
3%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
23.76923076923077
Standard Deviation
21.7
Min
0
Max
73

DL 1637 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 84%
Average Delay Time 23.76923076923077 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 82% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 23.76923076923077 min
This flight has an average delay of 23.76923076923077 minutes with a standard deviation of 21.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.