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(DL) Delta Air Lines 506 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(MIA) Miami International Airport

Miami, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
79%
Late
4
6%
Very Late
5
8%
Excessive
1
2%
Cancelled
1
2%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
33.411764705882355
Standard Deviation
54.6
Min
0
Max
239

DL 506 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 82%
Average Delay Time 33.411764705882355 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% 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
2.3 of 5
Average
Average Delay Time 33.411764705882355 min
This flight has an average delay of 33.411764705882355 minutes with a standard deviation of 54.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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