If they're like the rest of they have enough fuel for the usual JFK taxi dick-dance but not enough for an hour's cooling their heels. Once they've eaten into contingency fuel they're back to the gate. It often happens at JFK, esp if there's weather within 500 nm and taxi delays start.
BTW, I took part in Ground Metering that night and it worked a treat. No sitting at the end of the ramp turning and burning waiting to get a word in, bang on time Ground called us and gave us our marching orders. Sadly not so much marching as bimbling the long way round B...
Last edited by Dunhovrin; 24th Jun 2011 at 20:15.
Reason: Gwammar