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(DL) Delta Air Lines 4109 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-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
16
48%
Late
3
9%
Very Late
2
6%
Excessive
12
36%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
23
Codeshares
33
Average Delay (min.)
76.26086956521739
Standard Deviation
96.7
Min
0
Max
349

DL 4109 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 49%
Average Delay Time 76.26086956521739 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 49%
This flight has an on-time performance of 49%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 76.26086956521739 min
This flight has an average delay of 76.26086956521739 minutes with a standard deviation of 96.7 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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