background

(CA) Air China 438 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(KTM) Kathmandu Tribhuvan International Airport

Kathmandu, NP

(TFU) Chengdu Tianfu International Airport

Chengdu, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
33
61%
Late
11
20%
Very Late
5
9%
Excessive
5
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
35
Codeshares
0
Average Delay (min.)
27.2
Standard Deviation
29.6
Min
0
Max
141

CA 438 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 61%
Average Delay Time 27.2 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 41% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 27.2 min
This flight has an average delay of 27.2 minutes with a standard deviation of 29.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.