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(DL) Delta Air Lines 2509 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
81%
Late
1
4%
Very Late
0
0%
Excessive
4
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
55.2
Standard Deviation
31.9
Min
0
Max
107

DL 2509 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 81%
Average Delay Time 55.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 39% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 55.2 min
This flight has an average delay of 55.2 minutes with a standard deviation of 31.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.