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(TG) Thai Airways International 9177 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ISL) Istanbul Ataturk Airport

Istanbul, TR

On-Time Performance Chart

(using rounded numbers)
On-Time
35
59%
Late
12
20%
Very Late
9
15%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
40
Codeshares
59
Average Delay (min.)
23.25
Standard Deviation
18.5
Min
0
Max
102

TG 9177 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 59%
Average Delay Time 23.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 59%
This flight has an on-time performance of 59%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 23.25 min
This flight has an average delay of 23.25 minutes with a standard deviation of 18.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.