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(DL) Delta Air Lines 4489 On-time Performance Rating

Date Range:

01-Sep-2018 to 31-Oct-2018

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SIT) Sitka Airport

Sitka, AK, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
50%
Late
0
0%
Very Late
0
0%
Excessive
1
50%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
2
Total Delays ( > 1 min )
1
Codeshares
2
Average Delay (min.)
128
Standard Deviation
0
Min
128
Max
128

DL 4489 On-time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 50%
Average Delay Time 128 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-time Performance Rating
0.8 of 5
Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 128 min
This flight has an average delay of 128 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.