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(DL) Delta Air Lines 3990 On-Time Performance Rating

Date Range:

15-May-2025 to 15-Jul-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(TVC) Traverse City Cherry Capital Airport

Traverse City, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
57%
Late
2
9%
Very Late
2
9%
Excessive
6
26%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
15
Codeshares
23
Average Delay (min.)
54.53333333333333
Standard Deviation
65.6
Min
0
Max
236

DL 3990 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 56%
Average Delay Time 54.53333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 54.53333333333333 min
This flight has an average delay of 54.53333333333333 minutes with a standard deviation of 65.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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