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(DL) Delta Air Lines 2009 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(SAT) San Antonio International Airport

San Antonio, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
79%
Late
4
9%
Very Late
1
2%
Excessive
2
5%
Cancelled
2
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
23.153846153846153
Standard Deviation
25.7
Min
0
Max
93

DL 2009 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 79%
Average Delay Time 23.153846153846153 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 23.153846153846153 min
This flight has an average delay of 23.153846153846153 minutes with a standard deviation of 25.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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