Looking on the internet deeply has found these results:

Waiting for my flight is the most popular phrase on the web.

Waiting to board my flight 121,200 results on the web	Waiting for my flight 1349,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
No, my flight back was exceptionally uneventful. Surely this will not be the ark that immigrants are waiting to board? I'm just running late for my flight. Passengers waiting to board... train 956 to Melbourne... You're free to board my ship, Commander My flight left five minutes ago. My flight's already delayed an hour. I am about to board my plane to Bangkok.	free as a welcome pastime when they are waiting for a flight; its abolition would have a negative impact for them, and It's been a long week for the Woods family who are still waiting for their flight. I don't think anyone waiting for my Paris flight saw that, anyway, so let's just forget it. Passengers waiting for Flight 73 to New Orleans. These deaths occurred during a terrorist attack on the Kabul military airport where the soldiers were waiting for their flight home after several months of service in Afghanistan. And... the hours waiting for the six flights were no barrel of laughs either. We were waiting for the flight to come in when we found out... Travellers see duty

Waiting to board my flight

121,200 results on the web

Waiting for my flight

1349,000 results on the web

More popular!

free as a welcome pastime when they are waiting for a flight; its abolition would have a negative impact for them, and
It's been a long week for the Woods family who are still waiting for their flight.
I don't think anyone waiting for my Paris flight saw that, anyway, so let's just forget it.
Passengers waiting for Flight 73 to New Orleans.
These deaths occurred during a terrorist attack on the Kabul military airport where the soldiers were waiting for their flight home after several months of service in Afghanistan.
And... the hours waiting for the six flights were no barrel of laughs either.
We were waiting for the flight to come in when we found out...
Travellers see duty