background

(DL) Delta Air Lines 1531 On-time Performance Rating

Date Range:

01-Aug-2018 to 30-Sep-2018

(SFO) San Francisco International Airport

San Francisco, CA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
72%
Late
1
3%
Very Late
2
6%
Excessive
5
16%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
50
Standard Deviation
33.9
Min
6
Max
124

DL 1531 On-time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 74%
Average Delay Time 50 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-time Performance Rating
1.7 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 50 min
This flight has an average delay of 50 minutes with a standard deviation of 33.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

Other Stops for DL 1531