Will there be too much capacity in Europe next summer or not enough? The answer depends on whom you ask. IAG is champing at the bit to add as much as it can next summer and expects to be almost fully back. As is Lufthansa. But Wizz Air's CEO said there may be too many flights. Pent-up demand is a thing. Would-be travelers have spent much of the last 20 months saving money and are eager to spend it, now that travel restrictions have fallen. Corporate travel is starting to resume. But as every airline CEO warns (however quickly they…
