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(DL) Delta Air Lines 4947 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
73%
Late
2
8%
Very Late
0
0%
Excessive
3
12%
Cancelled
1
4%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
10
Codeshares
25
Average Delay (min.)
33.2
Standard Deviation
38.4
Min
0
Max
100

DL 4947 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 76%
Average Delay Time 33.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 33.2 min
This flight has an average delay of 33.2 minutes with a standard deviation of 38.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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