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(DL) Delta Air Lines 1642 On-time Performance Rating

Date Range:

01-Jul-2018 to 31-Aug-2018

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
63%
Late
1
13%
Very Late
1
13%
Excessive
1
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
8
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
39
Standard Deviation
14.6
Min
29
Max
56

DL 1642 On-time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 63%
Average Delay Time 39 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.
On-time Performance Rating
1.2 of 5
Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 39 min
This flight has an average delay of 39 minutes with a standard deviation of 14.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.