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(DL) Delta Air Lines 4997 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(HPN) Westchester County Airport

Westchester County, NY, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
81%
Late
0
0%
Very Late
1
5%
Excessive
2
10%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
6
Codeshares
21
Average Delay (min.)
45.333333333333336
Standard Deviation
53.3
Min
0
Max
143

DL 4997 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 81%
Average Delay Time 45.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 45.333333333333336 min
This flight has an average delay of 45.333333333333336 minutes with a standard deviation of 53.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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