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(DL) Delta Air Lines 2840 On-time Performance Rating

Date Range:

01-Aug-2018 to 30-Sep-2018

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(JFK) John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
63%
Late
2
11%
Very Late
0
0%
Excessive
4
21%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
56
Standard Deviation
62.8
Min
2
Max
191

DL 2840 On-time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 67%
Average Delay Time 56 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-time Performance Rating
0.9 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 56 min
This flight has an average delay of 56 minutes with a standard deviation of 62.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.