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(DL) Delta Air Lines 5247 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(ROA) Roanoke-Blacksburg Regional Airport

Roanoke, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
67%
Late
4
8%
Very Late
5
10%
Excessive
8
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
29
Codeshares
52
Average Delay (min.)
43.41379310344828
Standard Deviation
53.3
Min
0
Max
238

DL 5247 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 67%
Average Delay Time 43.41379310344828 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 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 4% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 43.41379310344828 min
This flight has an average delay of 43.41379310344828 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 12% of other flights.

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