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(DL) Delta Air Lines 1121 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(SAT) San Antonio International Airport

San Antonio, TX, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
69%
Late
6
10%
Very Late
2
3%
Excessive
7
11%
Cancelled
1
2%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
37.608695652173914
Standard Deviation
36
Min
0
Max
147

DL 1121 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 73%
Average Delay Time 37.608695652173914 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 37.608695652173914 min
This flight has an average delay of 37.608695652173914 minutes with a standard deviation of 36 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

Other Stops for DL 1121