PWM Today
Pick Your Window
Late Morning vs Early Morning is a 83-point swing at PWM. The late morning block runs at 83%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
vs Last Week
Down 18 points from last week (55% vs 73%). Arrivals down 17 points too. Sat was the worst day, Tue the best.
The Bigger Picture
PWM has been bouncing between 36% and 97%. Best day was Feb 28 at 97%. Worst was Mar 17 at 36%. The norm is 63-69%, which is just how PWM runs.
About PWM Delays
Portland International Jetport has averaged 55% on-time departures this week, making it frequently delayed. Performance varies by time of day and weather conditions.
Portland International Jetport 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 MHT (Manchester-Boston Regional Airport), BOS (Boston Logan International Airport) and BGR (Bangor International Airport). When PWM is experiencing delays, these airports may offer better on-time performance.
Early morning departures from Portland International Jetport 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.