That's great advice! I am going to call today to change my reservation. I can't wait to not have to ever worry about these things! Congrats on your success!
It depends on your size....for example, I am 5'4" and I was 320 lbs (minus pre-op diet loss of about 12 lbs) when I flew to San Diego. I could have fit in a regular coach seat, but it would have been VERY tight (and a long nearly 5 hr flight). Plus I would have absolutely needed a seat-belt extender.
I chose to upgrade to the equivalent of business class, which has wider seats, longer seat belts and more leg room. Even with short legs, the extra space in front is very helpful when bending down, etc.
It cost less to upgrade my seat (and I got much better service....) than it would have cost to buy an extra coach seat.
A possibility to consider.
FYI, we went for a vacation (back to Mexico) 8 months later (and 110 lbs lighter) and I fit comfortably in the coach seat (with LOTS of seat belt length unused).
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