SWF Today
Pick Your Window
Late Morning vs Early Morning is a 100-point swing at SWF. The late morning block runs at 100%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
vs Last Week
Down 5 points from last week (59% vs 64%). Arrivals roughly the same. Mon was the worst day, Sun the best.
The Bigger Picture
SWF has been bouncing between 23% and 100%. Best day was Feb 14 at 100%. Worst was Mar 1 at 23%. The norm is 66-72%, which is just how SWF runs.
About SWF Delays
New York Stewart International Airport has averaged 59% on-time departures this week, making it frequently delayed. Performance varies by time of day and weather conditions.
New York Stewart International Airport is one of 179 FAA-monitored US airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 5 minutes, with historical trends available for the past 90 days.
Nearby alternatives include HPN (Westchester County Airport), LGA (LaGuardia Airport), EWR (Newark Liberty International Airport), JFK (John F. Kennedy International Airport) and ISP (Long Island MacArthur Airport). When SWF is experiencing delays, these airports may offer better on-time performance.
Early morning departures from New York Stewart International Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.