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(DL) Delta Air Lines 4821 On-time Performance Rating

Date Range:

01-Nov-2018 to 31-Dec-2018

(YVR) Vancouver International Airport

Vancouver, BC, CA

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
64%
Late
2
18%
Very Late
1
9%
Excessive
1
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
5
Codeshares
11
Average Delay (min.)
46
Standard Deviation
65.5
Min
2
Max
162

DL 4821 On-time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 64%
Average Delay Time 46 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
0.7 of 5
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 14% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 46 min
This flight has an average delay of 46 minutes with a standard deviation of 65.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.