background

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

Date Range:

01-Aug-2018 to 30-Sep-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
20
48%
Late
8
19%
Very Late
3
7%
Excessive
11
26%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
29
Codeshares
42
Average Delay (min.)
50
Standard Deviation
56.9
Min
0
Max
251

DL 4821 On-time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 48%
Average Delay Time 50 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 48%
This flight has an on-time performance of 48%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 50 min
This flight has an average delay of 50 minutes with a standard deviation of 56.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.