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(DL) Delta Air Lines 566 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
92%
Late
1
2%
Very Late
2
4%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
19.25
Standard Deviation
17.6
Min
0
Max
47

DL 566 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 92%
Average Delay Time 19.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 19.25 min
This flight has an average delay of 19.25 minutes with a standard deviation of 17.6 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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