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(DL) Delta Air Lines 1155 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
53
87%
Late
2
3%
Very Late
2
3%
Excessive
4
7%
Cancelled
0
0%
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.)
52.57142857142857
Standard Deviation
71.2
Min
0
Max
195

DL 1155 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 87%
Average Delay Time 52.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. 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
0.8 of 5
Poor
Average Delay Time 52.57142857142857 min
This flight has an average delay of 52.57142857142857 minutes with a standard deviation of 71.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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