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

Date Range:

15-May-2026 to 15-Jul-2026

(BHM) Birmingham-Shuttlesworth International Airport

Birmingham, AL, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
78%
Late
2
5%
Very Late
2
5%
Excessive
4
10%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
11
Codeshares
39
Average Delay (min.)
42.36363636363637
Standard Deviation
35.3
Min
0
Max
104

DL 3685 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 80%
Average Delay Time 42.36363636363637 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 42.36363636363637 min
This flight has an average delay of 42.36363636363637 minutes with a standard deviation of 35.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.

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