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

Date Range:

15-Dec-2025 to 15-Feb-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
67%
Late
6
13%
Very Late
2
4%
Excessive
4
8%
Cancelled
4
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
48
Total Delays ( > 1 min )
18
Codeshares
48
Average Delay (min.)
30.555555555555557
Standard Deviation
31
Min
0
Max
114

DL 5615 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 67%
Average Delay Time 30.555555555555557 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 30.555555555555557 min
This flight has an average delay of 30.555555555555557 minutes with a standard deviation of 31 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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