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

Date Range:

15-Jan-2026 to 15-Mar-2026

(ELM) Elmira Corning Regional Airport

Elmira, NY, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
75%
Late
1
13%
Very Late
0
0%
Excessive
1
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
8
Total Delays ( > 1 min )
3
Codeshares
8
Average Delay (min.)
30.666666666666668
Standard Deviation
36.7
Min
0
Max
72

DL 3949 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 75%
Average Delay Time 30.666666666666668 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 49% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 30.666666666666668 min
This flight has an average delay of 30.666666666666668 minutes with a standard deviation of 36.7 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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