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(DL) Delta Air Lines 4035 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
80%
Late
4
8%
Very Late
2
4%
Excessive
4
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
14
Codeshares
51
Average Delay (min.)
37.214285714285715
Standard Deviation
34.4
Min
0
Max
105

DL 4035 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 80%
Average Delay Time 37.214285714285715 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
3.8 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 37.214285714285715 min
This flight has an average delay of 37.214285714285715 minutes with a standard deviation of 34.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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