EF shows MCT as either 2.5 or 3 hours -- it's unclear to me on this which it is:
STANDARD.D/D...D/I...I/D...I/I.
ONLINE .20 1.00 1.00 1.00
OFFLINE .20 1.00 1.00 1.00
** OR * ARE ALL
DL-DL ID SUP INTER EWR - JFK
DL-DL ID SUP INTER EWR - LGA
DL-DL ID SUP INTER JFK - EWR
DL-DL ID 3.00 INTER JFK - LGA
DL-DL ID SUP INTER LGA - EWR
**-** ID 3.30 INTER EWR - JFK
**-** ID 3.30 INTER EWR - LGA
**-** ID 3.00 INTER EWR - TSS
**-** ID 3.30 INTER JFK - EWR
**-** ID 2.30 INTER JFK - LGA
**-** ID 3.30 INTER LGA - EWR
**-** ID 3.00 INTER LGA - JFK
I think it's feasible on a Saturday mid-day (as long as it isn't a holiday weekend).