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(DL) Delta Air Lines 3964 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(ELM) Elmira Corning Regional Airport

Elmira, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
64%
Late
2
8%
Very Late
2
8%
Excessive
5
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
10
Codeshares
25
Average Delay (min.)
64.8
Standard Deviation
65.5
Min
0
Max
225

DL 3964 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 64.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 4% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 64.8 min
This flight has an average delay of 64.8 minutes with a standard deviation of 65.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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