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(CI) China Airlines 9831 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(BKK) Bangkok Suvarnabhumi International Airport

Bangkok, TH

(USM) Ko Samui International Airport

Koh Samui, TH

On-Time Performance Chart

(using rounded numbers)
On-Time
17
45%
Late
9
24%
Very Late
7
18%
Excessive
5
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
35
Codeshares
38
Average Delay (min.)
24.6
Standard Deviation
20.3
Min
0
Max
79

CI 9831 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 45%
Average Delay Time 24.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 45%
This flight has an on-time performance of 45%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 24.6 min
This flight has an average delay of 24.6 minutes with a standard deviation of 20.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.