United, for example, had 527, 000 domestic flight departures in 2012, while JetBlue had 227, 000.

BBC: Virgin tops US airline industry report

The 45-year-old becomes the sixth coach to lose his job in the Spanish top flight this season following the departures of Abel Resino (Atletico Madrid), Juan Carlos Mandia (Racing Santander), Marcelino Garcia Toral (Real Zaragoza), and Hugo Sanchez and Jose Angel Ziganda (both Xerez).

CNN: Valverde dismissed as Villarreal coach

The International Airport said a flight to Bristol had been cancelled and all other departures to the rest of the UK were running with slight delays.

BBC: Translink coach on snowy road

For departures, arrivals and waiting around for a delayed flight?

CNN: Which U.S. city has the best airport?

There are shortcomings: more driving time and, because there are fewer departures and arrivals, forget about catching the "next flight out" if there's inclement weather.

WSJ: Instant-Upgrade Airports

The regionals are now responsible for 53% of U.S. departures and have accounted for six domestic fatal crashes since the last crash of a major domestic flight, which occurred in New York in 2001.

WSJ: Book Review: Attention All Passengers