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(DL) Delta Air Lines 4949 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(MSN) Dane County Regional Airport

Madison, WI, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
68%
Late
2
6%
Very Late
4
13%
Excessive
4
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
13
Codeshares
31
Average Delay (min.)
38.07692307692308
Standard Deviation
27.1
Min
0
Max
109

DL 4949 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 68%
Average Delay Time 38.07692307692308 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 21% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 38.07692307692308 min
This flight has an average delay of 38.07692307692308 minutes with a standard deviation of 27.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.

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