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(DL) Delta Air Lines 4166 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(ATW) Appleton International Airport

Appleton, WI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
73%
Late
4
6%
Very Late
1
2%
Excessive
11
18%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
20
Codeshares
61
Average Delay (min.)
72.75
Standard Deviation
62
Min
0
Max
206

DL 4166 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 74%
Average Delay Time 72.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 72.75 min
This flight has an average delay of 72.75 minutes with a standard deviation of 62 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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