That really depends on the airport. Portland, for example. If you try to avoid 737s then you just cut yourself out of 75-80% of all available flights. Also,

That really depends on the airport. Portland, for example. If you try to avoid 737s then you just cut yourself out of 75-80% of all available flights. Also, the 737NG is arguably the safest airliner ever produced (by statistics, not speculation), so why would I want to avoid it?