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(DL) Delta Air Lines 3949 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-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
1
13%
Late
0
0%
Very Late
2
25%
Excessive
5
63%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
8
Total Delays ( > 1 min )
8
Codeshares
8
Average Delay (min.)
87.125
Standard Deviation
63.3
Min
2
Max
203

DL 3949 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 13%
Average Delay Time 87.125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 13%
This flight has an on-time performance of 13%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 87.125 min
This flight has an average delay of 87.125 minutes with a standard deviation of 63.3 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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