Air travel has become increasingly annoying and enervating: delayed flights, more restrictive rules on the size of carry-ons (anything bigger than a wallet may force a gate check), delayed or lost luggage, long check-in lines, etc.

FORBES: Fact and Comment

Airport curbside luggage check-in will no longer be allowed.

CNN: Flights still grounded amid security concerns

But what are the airlines communicating with their baggage fees at the check-in point if you want your luggage checked through so that you no longer have to carry it?

FORBES: Avoiding Passenger Congestion

He cited the difference between what the airlines think will placate customers--prompt ticket refunds, quoting lowest available fares and retrieving lost luggage--and what's really annoying travelers: flight delays, long check-in lines and the 20-minute wait at the baggage carousel.

FORBES: Hurry Up And Wait