The wait, explained
Ground stop vs. ground delay: what it means for your flight
A ground stop holds affected flights before takeoff. A ground delay program spaces out arrivals by assigning departure times. Both can leave you waiting at your origin airport because of conditions at your destination.
By SkiesToday · Based on FAA traffic-management explanations
The difference at a glance
Ground stop
Flights covered by the stop remain on the ground. The scope may cover particular departure airports or airspace; it does not automatically mean every flight nationwide has stopped.
Ground delay program
When arrivals would exceed an airport’s capacity, affected flights receive controlled departure times. Traffic can keep moving, with the waiting spread across departure airports.
Sources: FAA program explanations and FAA ground-stop scope.
An example
You’re in Chicago. The restriction is in Newark.
Imagine your trip is ORD → EWR. If your flight is included in a Newark ground stop, you may wait in Chicago before taking off. Under a Newark ground delay program, your flight may instead be assigned a later departure time. Looking only at Chicago’s weather would miss that part of the picture.
This is an illustration, not a current advisory. Check both airports, then use your airline’s flight status for the schedule that applies to your ticket.
Which time should you use?
- An FAA program window
- Describes the restriction. It is not a boarding time or a promise that your flight will depart when the window ends.
- An average airport delay
- Summarizes a group of affected flights. Do not add that number to your ticket’s departure time to calculate a new schedule.
- Your airline’s update
- Applies to your specific flight. Use it for boarding, gate changes, departure estimates, and connection questions.
Questions while you wait
Does a ground stop mean my flight is canceled?
The notice is a traffic restriction, not a cancellation record. SkiesToday does not receive your airline’s individual cancellation decisions. Check your booking directly.
What does “possible later” mean?
It is a planning signal, not an active restriction. Keep it separate from what is in effect now. An incomplete or out-of-date feed also cannot confirm that an airport is clear.
Can I leave for the airport later?
Do not use an airport-wide outlook to change your arrival plan. Follow your airline’s check-in and boarding instructions, and ask it about your connection if the schedule changes.