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(DL) Delta Air Lines 5615 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
80%
Late
4
7%
Very Late
3
5%
Excessive
5
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
22
Codeshares
60
Average Delay (min.)
27.045454545454547
Standard Deviation
22.4
Min
0
Max
80

DL 5615 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 80%
Average Delay Time 27.045454545454547 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. 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
3.5 of 5
Average
Average Delay Time 27.045454545454547 min
This flight has an average delay of 27.045454545454547 minutes with a standard deviation of 22.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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