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(DL) Delta Air Lines 1255 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(MDT) Harrisburg International Airport

Middletown, PA, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
84%
Late
1
2%
Very Late
2
4%
Excessive
2
4%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
34.09090909090909
Standard Deviation
47.6
Min
0
Max
160

DL 1255 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 84%
Average Delay Time 34.09090909090909 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
4.7 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 34.09090909090909 min
This flight has an average delay of 34.09090909090909 minutes with a standard deviation of 47.6 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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