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(DL) Delta Air Lines 3905 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
96%
Late
0
0%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
5
Codeshares
24
Average Delay (min.)
102.4
Standard Deviation
220
Min
0
Max
496

DL 3905 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 96%
Average Delay Time 102.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 102.4 min
This flight has an average delay of 102.4 minutes with a standard deviation of 220 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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