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(DL) Delta Air Lines 4979 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(HPN) Westchester County Airport

Westchester County, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
82%
Late
1
5%
Very Late
1
5%
Excessive
2
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
9
Codeshares
22
Average Delay (min.)
30.555555555555557
Standard Deviation
41.6
Min
0
Max
132

DL 4979 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 82%
Average Delay Time 30.555555555555557 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 30.555555555555557 min
This flight has an average delay of 30.555555555555557 minutes with a standard deviation of 41.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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