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

Date Range:

15-Nov-2025 to 15-Jan-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(CMH) John Glenn Columbus International Airport

Columbus, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
47%
Late
3
10%
Very Late
3
10%
Excessive
10
33%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
17
Codeshares
30
Average Delay (min.)
59.88235294117647
Standard Deviation
35.4
Min
0
Max
130

DL 3949 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 47%
Average Delay Time 59.88235294117647 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 47%
This flight has an on-time performance of 47%. 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
0.2 of 5
Very Poor
Average Delay Time 59.88235294117647 min
This flight has an average delay of 59.88235294117647 minutes with a standard deviation of 35.4 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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