Originally Posted by
milesmilesmiles
EWR is ground stop due to "other". Never seen that one before. Weather is fine. Don't they generally give a reason?
https://nasstatus.faa.gov/
This can mean UA has asked the FAA to implement the ground stop, so that EWR does not get saturated with UA planes on the ground that have no gates, nor ability to taxi. It's a proactive move that keeps mitigates the risk of congestion.