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

Date Range:

15-Jun-2026 to 15-Aug-2026

(MIA) Miami International Airport

Miami, FL, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
64%
Late
6
11%
Very Late
2
4%
Excessive
11
20%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
47.43478260869565
Standard Deviation
42.1
Min
0
Max
188

DL 506 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 64%
Average Delay Time 47.43478260869565 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 15% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 47.43478260869565 min
This flight has an average delay of 47.43478260869565 minutes with a standard deviation of 42.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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