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(DL) Delta Air Lines 4066 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(MSP) Minneapolis-Saint Paul International Airport

Minneapolis, MN, US

(BIS) Bismarck Municipal Airport

Bismarck, ND, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
90%
Late
0
0%
Very Late
0
0%
Excessive
2
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
3
Codeshares
21
Average Delay (min.)
54.333333333333336
Standard Deviation
45.2
Min
0
Max
88

DL 4066 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 91%
Average Delay Time 54.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 61% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 54.333333333333336 min
This flight has an average delay of 54.333333333333336 minutes with a standard deviation of 45.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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