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(DL) Delta Air Lines 4009 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(LAN) Lansing Capital Region International Airport

Lansing, MI, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
58%
Late
4
9%
Very Late
2
4%
Excessive
11
24%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
24
Codeshares
43
Average Delay (min.)
84.29166666666667
Standard Deviation
88.2
Min
0
Max
271

DL 4009 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
Average Delay Time 84.29166666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 84.29166666666667 min
This flight has an average delay of 84.29166666666667 minutes with a standard deviation of 88.2 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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