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(DL) Delta Air Lines 1147 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
79%
Late
5
8%
Very Late
3
5%
Excessive
3
5%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
25.17241379310345
Standard Deviation
42
Min
0
Max
220

DL 1147 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 82%
Average Delay Time 25.17241379310345 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
4.2 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 25.17241379310345 min
This flight has an average delay of 25.17241379310345 minutes with a standard deviation of 42 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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