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(TV) Tibet Airlines 9939 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(XNN) Xining Caojiabao International Airport

Xining, CN

(GMQ) Golog Maqin Airport

Golog, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
19
76%
Late
0
0%
Very Late
2
8%
Excessive
4
16%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
49.57142857142857
Standard Deviation
27.4
Min
0
Max
98

TV 9939 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 76%
Average Delay Time 49.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 49.57142857142857 min
This flight has an average delay of 49.57142857142857 minutes with a standard deviation of 27.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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