1.   Arriving planes filled with passengers were forced to sit on the tarmac due to the lack of gate space.

2.   At the same time, gate space at many airports has become an increasingly scarce commodity.

3.   In a controversial deal with some employees, American handed off much of the flying to Reno Air, which leases gate space from American.

4.   The airport is in a planning process to determine whether a sixth runway and additional terminal and gate space are needed.