Hello, this is Alice from Yeha tour.
First of all, thank you for your interest in our tour.

Our Tour Operates...
▶ Bus Boarding Time : 08:40am ∼ 09:00am (Departs at 09:00 am)
▶ Bus Boarding Place : ＂B2-Parking lot＂ of ＂Jeju airport＂
▶ The guide will be holding a picket with our logo [Yeha]
▶ Ends around 6:00-6:30pm.

If it´s the flight is 8 am arrival, it seems that you can participate the bus tour without any major problems.
It´s hard to tell how long it takes to find your luggage, but is usually takes about 15 to 20 minutes on average.

FYI, I will also attach additionally information as below.

Thank you.
:)
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Yeha Bus Tour
▶ Different courses for each day of the week.
▶ Professional Qualified ＆ Skilled Tour guides
▶ Lunch, entrance fees are included
▶ You will have around 40∼60 minutes of free time at each destination.
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Possible options by separate request...
▶ Vegetarian menu
▶ Bringing Luggage
▶ Returning separately from the last destination is possible

Hello, this is Alice from Yeha tour.
First of all, thank you for your interest in our tour.

1.
We can´t give you a definite answer because we didn´t expect the flight to be delayed.
However, it is usually delays are due to previous flight´s connection problems.
So there are less delays in the early morning flight.
If you are late, there is also a way to come directly to the tour place by public transportation.
We are sending you a guide and office number that you can contact in the confirmation email.

2.
Drop-off service can be offered to the guests staying in Jeju Downtown area, involving the Airport.
If your hotel is not in Jeju Downtown are, please tell our guide the hotel, when the tour ends. 
He or she will inform the best metod and public transportation to your hotel.
You can load your luggage on the bus.
The Tour Ends around 6:00-6:30pm.
Flight after 7:40pm is recommended.


Thank you!