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(DL) Delta Air Lines 866 On-time Performance Rating

Date Range:

01-Aug-2018 to 30-Sep-2018

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(DFW) Dallas/Fort Worth International Airport

Dallas, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
50%
Late
1
25%
Very Late
0
0%
Excessive
1
25%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
4
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
21
Standard Deviation
29.2
Min
1
Max
64

DL 866 On-time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 50%
Average Delay Time 21 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-time Performance Rating
0.6 of 5
Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 21 min
This flight has an average delay of 21 minutes with a standard deviation of 29.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.