The main problem with landing at ONT is that one runway is being reconstructed, so, the airport would have been shut down if jetBlue had to make an emergency landing there. In a message dated 9/26/2005 10:22:17 AM Eastern Daylight Time, mrpanitz@xxxxxxxxx writes: all this talk about airports and we totally forgot about another airport and I think Jet Blue service (or used too) it as well Ontario! they have larger runways there (as it sometime is used (or was) used an alternete airport when Lax was closed