You should be ok. The only thing is i heard if you have morning sickness you should probably stay near the bathroom lol. They say its best to fly during the second trimester because the morning sickness should be gone by then. But flying at 9 weeks is perfectly fine. Domestic-they wont let you fly after 36 weeks & internations-after 32 week, unless you have a Dr.'s note.
Ya alright then I should be fine, I'm flying with continental airlines
i think its okay as long as its like a commercial flight where they pressurize the cabin. i know some of the flights i took where in the smaller planes not pressurized and was told i couldnt in those