BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DCAMHT

Washington, DC (DCA) to Manchester, NH (MHT) flight delay odds

Historically, 64.1% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,108 flights.

HISTORICAL ROUTE SIGNALHigher disruption
64.1%arrived on time
20.6%30+ min late
6.4%cancelled
1,108scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.9%all scheduled flights
120+ minutes late4.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+15.6 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Late morning39172.9%14.1%5.6%
Afternoon38863.9%24.0%3.4%
Night31152.7%25.1%10.6%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday16558.8%23.0%7.9%
Tuesday16966.9%20.7%5.3%
Wednesday16365.6%18.4%7.4%
Thursday16160.9%24.2%5.6%
Friday16461.6%20.7%6.1%
Saturday12275.4%14.8%5.7%
Sunday16462.2%20.7%6.7%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
PSA Airlines1,10864.1%20.6%6.4%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202511556.5%23.5%12.2%
August 202511776.9%14.5%3.4%
September 20258873.9%13.6%3.4%
October 20258965.2%19.1%0.0%
November 20258769.0%19.5%3.4%
December 20258755.2%25.3%6.9%
January 20268858.0%21.6%14.8%
February 20268359.0%21.7%7.2%
March 20269352.7%28.0%10.8%
April 20268777.0%14.9%2.3%
May 20268872.7%15.9%3.4%
June 20268651.2%30.2%8.1%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline26.2%
Late aircraft60.3%
National airspace8.3%
Weather5.2%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.