Yes, there is a priority line at Lga see below for eligibility
Who's eligible for priority privileges?
- First, Business and Premium Economy passengers
- AAdvantageŽ status members
- AirPass℠ travelers
- oneworldŽ Emerald, Sapphire and Ruby members
- CitiŽ / AAdvantageŽ Executive cardholders
- Eligible business travelers*
- JetBlue Mosaic members