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

Date Range:

01-Apr-2026 to 31-May-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(MSN) Dane County Regional Airport

Madison, WI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
78%
Late
0
0%
Very Late
1
11%
Excessive
1
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
4
Codeshares
9
Average Delay (min.)
28.25
Standard Deviation
31.1
Min
0
Max
65

DL 4949 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 78%
Average Delay Time 28.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 28.25 min
This flight has an average delay of 28.25 minutes with a standard deviation of 31.1 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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