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(CA) Air China 4997 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(TNA) Jinan Yaoqiang International Airport

Jinan, CN

(SYX) Sanya Phoenix International Airport

Sanya, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
37
88%
Late
4
10%
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
42
Total Delays ( > 1 min )
17
Codeshares
42
Average Delay (min.)
12.117647058823529
Standard Deviation
20.2
Min
0
Max
87

CA 4997 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 88%
Average Delay Time 12.117647058823529 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 95% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 12.117647058823529 min
This flight has an average delay of 12.117647058823529 minutes with a standard deviation of 20.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.