BOS Today
Pick Your Window
Late Morning vs Evening is a 42-point swing at BOS. The late morning block runs at 94%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
vs Last Week
Down 11 points from last week (64% vs 75%). Arrivals down 11 points too. Fri was the worst day, Tue the best.
The Bigger Picture
BOS has been bouncing between 45% and 92%. Best day was Feb 19 at 92%. Worst was Mar 6 at 45%. The norm is 71-77%, which is just how BOS runs.
About BOS Delays
Boston Logan International Airport has averaged 64% on-time departures this week, making it frequently delayed. Performance varies by time of day and weather conditions.
Boston Logan 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 MHT (Manchester-Boston Regional Airport), PVD (Rhode Island T. F. Green International Airport), BDL (Bradley International Airport) and PWM (Portland International Jetport). When BOS is experiencing delays, these airports may offer better on-time performance.
Early morning departures from Boston Logan 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.