Originally Posted by
HeathrowGuy
As things stand now, the best way to get yourself to MAD is to avoid EWR altogether and get rerouted BTR-IAH-FRA-MAD or BTR-IAH-LHR-MAD. I would get on the phone with CO ASAP to get rerouted, which should be done with no fee. If you wait, it's highly likely the ex-IAH TATL flights you need will sell out completely.
CO FRA-IAH was delayed about 2 hours today while waiting in line to be deiced. It has stopped snowing now but I wouldn't rule out the possibility of further delays at FRA. Still, I'd risk FRA over EWR.