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(DL) Delta Air Lines 866 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(MIA) Miami International Airport

Miami, FL, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
69%
Late
3
12%
Very Late
1
4%
Excessive
3
12%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
57.81818181818182
Standard Deviation
116.6
Min
0
Max
404

DL 866 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 72%
Average Delay Time 57.81818181818182 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 72%
This flight has an on-time performance of 72%. 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
0.5 of 5
Very Poor
Average Delay Time 57.81818181818182 min
This flight has an average delay of 57.81818181818182 minutes with a standard deviation of 116.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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