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(CZ) China Southern Airlines 1109 On-time Performance Rating

Date Range:

15-May-2018 to 15-Jul-2018

(SEA) Seattle-Tacoma International AirportSeattle, WA, US
(DTW) Detroit Metropolitan Wayne County AirportDetroit, MI, US
On-Time Performance Chart
(using rounded numbers)
On-Time
56
93%
Late
3
5%
Very Late
0
0%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
27
Codeshares
60
Average Delay (min.)
9
Standard Deviation
14.5
Min
0
Max
75
CZ 1109 On-time Performance Details
Overall Rating
4.9 of 5
Very Good
Percentage On-Time 93%
Average Delay Time 9 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 98% of all other flights in the FlightStats database.
On-time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 9 min
This flight has an average delay of 9 minutes with a standard deviation of 14.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 99% of other flights.