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(UO) HK Express 604 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(HKG) Hong Kong International Airport

Hong Kong, HK

(PUS) Busan Gimhae International Airport

Busan, KR

On-Time Performance Chart

(using rounded numbers)
On-Time
31
70%
Late
10
23%
Very Late
0
0%
Excessive
3
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
24
Codeshares
0
Average Delay (min.)
22.708333333333332
Standard Deviation
28.9
Min
0
Max
123

UO 604 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 71%
Average Delay Time 22.708333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 22.708333333333332 min
This flight has an average delay of 22.708333333333332 minutes with a standard deviation of 28.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.