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(DL) Delta Air Lines 4028 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(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
19
79%
Late
1
4%
Very Late
0
0%
Excessive
2
8%
Cancelled
2
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
3
Codeshares
24
Average Delay (min.)
132
Standard Deviation
127.3
Min
0
Max
274

DL 4028 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 79%
Average Delay Time 132 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 24% of all other flights in the FlightStats database.
On-Time Performance Rating
2.5 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 132 min
This flight has an average delay of 132 minutes with a standard deviation of 127.3 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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