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(CA) Air China 4991 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(KWL) Guilin Liangjiang International Airport

Guilin, CN

(HAK) Haikou Meilan International Airport

Haikou, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
14
67%
Late
0
0%
Very Late
1
5%
Excessive
6
29%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
11
Codeshares
21
Average Delay (min.)
59
Standard Deviation
58.5
Min
0
Max
175

CA 4991 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 67%
Average Delay Time 59 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 59 min
This flight has an average delay of 59 minutes with a standard deviation of 58.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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