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(DL) Delta Air Lines 4051 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-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
10
71%
Late
2
14%
Very Late
1
7%
Excessive
1
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
4
Codeshares
14
Average Delay (min.)
101.5
Standard Deviation
155.8
Min
0
Max
335

DL 4051 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 71%
Average Delay Time 101.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 101.5 min
This flight has an average delay of 101.5 minutes with a standard deviation of 155.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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