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(DL) Delta Air Lines 3685 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(BHM) Birmingham-Shuttlesworth International Airport

Birmingham, AL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
77%
Late
4
7%
Very Late
3
5%
Excessive
6
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
22
Codeshares
56
Average Delay (min.)
33.22727272727273
Standard Deviation
36.3
Min
0
Max
124

DL 3685 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 77%
Average Delay Time 33.22727272727273 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 33.22727272727273 min
This flight has an average delay of 33.22727272727273 minutes with a standard deviation of 36.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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