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(DL) Delta Air Lines 423 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
97%
Late
1
3%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
11
Standard Deviation
8.3
Min
2
Max
18

DL 423 On-time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 97%
Average Delay Time 11 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 97%
This flight has an on-time performance of 97%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 11 min
This flight has an average delay of 11 minutes with a standard deviation of 8.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.