Informational Guide to Bangkok Suvarnabhumi Airport (BKK) - Non Official

TG574 Thai Airways International - Flight Status

Codeshare Flights
The flight OS8629 from Austrian (OS) is a codeshare flight operated by Thai Airways International (TG) under the flight number TG574. Check this page for details about flight TG574.

Below, you can find details about Thai Airways International flight TG574, which currently operates between the airports of Bangkok - Bangkok Suvarnabhumi International Airport (Airport Code BKK) and Vientiane - Wattay International Airport (Airport Code VTE).
This flight data pertains specifically to the flight's details for Wednesday, March 25, 2026.

TG574 On Time performance:
68
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

TG574 Thai Airways International to Vientiane

Landed - Delayed
Delay: 35 minutes
Flight Status for Wednesday March 25, 2026
This flight is also scheduled for Today (March 26, 2026). See it here

Airline information

Thai Airways International
Thai Airways International
Equipment: Airbus A320 (sharklets)

Departure

Bangkok (BKK)
March 25, 2026
Bangkok Suvarnabhumi International Airport
Departed at:
19:12
Gate:
S119
Scheduled Departure Time: 18:30

Arrival

Vientiane (VTE)
March 25, 2026
Wattay International Airport
Arrived at:
20:20
Terminal:
I
Gate:
-
Scheduled Arrival Time: 19:45
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.bangkok-airport.net assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- LH9724 - Lufthansa

- LY8445 - El Al Israel Airlines

- OS8629 - Austrian

Additional Information

Which is the frequency of flight TG574?
The flight TG574 is scheduled to flight on daily basis.

Which is the distance of flight TG574?
The distance between the two airports is 514 kilometers.

Which is the flight time of flight TG574?
The scheduled flight time gate to gate is: 01:15 hours.
The real flight time gate to gate on average is: 01:11 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airlines serves the same route between Bangkok and Vientiane:

Lao Airlines
- Flight Number: QV442. (On Time performance: 94 - Average Delay: 2 minutes)
- Flight Number: QV446. (On Time performance: 62 - Average Delay: 14 minutes)

Thai Airways International
- Flight Number: TG570. (On Time performance: 67 - Average Delay: 11 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from December 24, 2025 to March 23, 2026, we have obtained these figures.
Total number of flights: 90
On Time: 61 ( 68 % )
Moderate Delay: 22 ( 24 % )
Significant Delay: 6 ( 7 % )
Major Delay: 1 ( 1 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 10 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from September 24, 2025 to March 23, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from March 02, 2025 to February 28, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights TG574

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
25 March
19:12
Bangkok (BKK)
20:20
Vientiane (VTE)
01h 08min
Airbus A320 (s
Airbus A320 (s
Landed - Delayed
Tuesday
24 March
18:39
Bangkok (BKK)
19:51
Vientiane (VTE)
01h 12min
Airbus A320
Airbus A320
Landed - On-time
Monday
23 March
18:35
Bangkok (BKK)
19:53
Vientiane (VTE)
01h 18min
Airbus A320 (s
Airbus A320 (s
Landed - On-time
Sunday
22 March
18:37
Bangkok (BKK)
19:41
Vientiane (VTE)
01h 04min
Airbus A320
Airbus A320
Landed - On-time
Saturday
21 March
18:41
Bangkok (BKK)
19:50
Vientiane (VTE)
01h 09min
Airbus A320 (s
Airbus A320 (s
Landed - On-time
Friday
20 March
18:30
Bangkok (BKK)
19:33
Vientiane (VTE)
01h 03min
Airbus A320 (s
Airbus A320 (s
Landed - On-time
Thursday
19 March
19:00
Bangkok (BKK)
20:12
Vientiane (VTE)
01h 12min
Airbus A320
Airbus A320
Landed - Delayed
Wednesday
18 March
18:57
Bangkok (BKK)
20:07
Vientiane (VTE)
01h 10min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Tuesday
17 March
18:36
Bangkok (BKK)
20:01
Vientiane (VTE)
01h 25min
Airbus A320
Airbus A320
Landed - Delayed
Monday
16 March
18:44
Bangkok (BKK)
19:53
Vientiane (VTE)
01h 09min
Airbus A320 (s
Airbus A320 (s
Landed - On-time