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(DL) Delta Air Lines 4158 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-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
8
67%
Late
2
17%
Very Late
0
0%
Excessive
2
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
5
Codeshares
12
Average Delay (min.)
60.6
Standard Deviation
70.5
Min
0
Max
176

DL 4158 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 67%
Average Delay Time 60.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 15% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 60.6 min
This flight has an average delay of 60.6 minutes with a standard deviation of 70.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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