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(DL) Delta Air Lines 1550 On-time Performance Rating

Date Range:

15-Feb-2018 to 15-Apr-2018

(SLC) Salt Lake City International AirportSalt Lake City, UT, US
(SFO) San Francisco International AirportSan Francisco, CA, US
On-Time Performance Chart
(using rounded numbers)
On-Time
12
86%
Late
2
14%
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
14
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
14
Standard Deviation
6.2
Min
7
Max
19
DL 1550 On-time Performance Details
Overall Rating
3.8 of 5
Good
Percentage On-Time 86%
Average Delay Time 14 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-time Performance Rating
4.1 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 14 min
This flight has an average delay of 14 minutes with a standard deviation of 6.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.