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(DL) Delta Air Lines 4988 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

(MSP) Minneapolis-Saint Paul International Airport

Minneapolis, MN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
74%
Late
7
13%
Very Late
2
4%
Excessive
5
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
25
Codeshares
53
Average Delay (min.)
36.16
Standard Deviation
54.4
Min
0
Max
224

DL 4988 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 74%
Average Delay Time 36.16 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 49% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 36.16 min
This flight has an average delay of 36.16 minutes with a standard deviation of 54.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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