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(DL) Delta Air Lines 4156 On-time Performance Rating

Date Range:

01-Aug-2018 to 30-Sep-2018

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(PDX) Portland International Airport

Portland, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
53%
Late
1
5%
Very Late
1
5%
Excessive
5
26%
Cancelled
1
5%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
10
Codeshares
18
Average Delay (min.)
74
Standard Deviation
63.6
Min
6
Max
176

DL 4156 On-time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 56%
Average Delay Time 74 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 74 min
This flight has an average delay of 74 minutes with a standard deviation of 63.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.