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(DL) Delta Air Lines 3865 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
87%
Late
0
0%
Very Late
2
4%
Excessive
4
7%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
12
Codeshares
55
Average Delay (min.)
60
Standard Deviation
96.1
Min
0
Max
343

DL 3865 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 87%
Average Delay Time 60 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 60 min
This flight has an average delay of 60 minutes with a standard deviation of 96.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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