Could A Travel Including Flights And Road Trips Affect Implantation After A Missed Miscarriage At 8 Weeks?

Hi, am 39 yrs old. I had missed abotion 4 my months back at around 8th week due to fetal Bradiacadi , which was first and natural pregnancy. Now am trying to conceive again naturally. I have official travel ( on 18th - 22nd day of my cycle) which will include 3 hrs of flight and 4-5 hours by road during onward and return as well. Am worried if travel affect during process of implantation. So am trying to skip this travel. Pls help