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(ZH) Shenzhen Airlines 4637 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(HET) Hohhot Baita International Airport

Hohhot, CN

(TGO) Tongliao Airport

Tongliao, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
54
92%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
5
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
5
Codeshares
59
Average Delay (min.)
4
Standard Deviation
2.5
Min
0
Max
8

ZH 4637 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 92%
Average Delay Time 4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 4 min
This flight has an average delay of 4 minutes with a standard deviation of 2.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.