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(DL) Delta Air Lines 1221 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(MKE) Milwaukee Mitchell International Airport

Milwaukee, WI, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
80%
Late
5
8%
Very Late
3
5%
Excessive
1
2%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
36.57142857142857
Standard Deviation
65.4
Min
0
Max
260

DL 1221 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 80%
Average Delay Time 36.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. 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
1.5 of 5
Poor
Average Delay Time 36.57142857142857 min
This flight has an average delay of 36.57142857142857 minutes with a standard deviation of 65.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.