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(3U) Sichuan Airlines 4221 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(AKU) Aksu Hongqipo Airport

Aksu, CN

(YIN) Yining Airport

Yining, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
40
66%
Late
7
11%
Very Late
0
0%
Excessive
4
7%
Cancelled
9
15%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
36
Codeshares
61
Average Delay (min.)
23.916666666666668
Standard Deviation
59.5
Min
0
Max
358

3U 4221 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 66%
Average Delay Time 23.916666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 23.916666666666668 min
This flight has an average delay of 23.916666666666668 minutes with a standard deviation of 59.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.