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

Washington, DC (DCA) to Greensboro/High Point, NC (GSO) flight delay odds

Historically, 69.1% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 799 flights.

HISTORICAL ROUTE SIGNALHigher disruption
69.1%arrived on time
18.4%30+ min late
5.4%cancelled
799scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.4%all scheduled flights
120+ minutes late4.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+12.7 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
Early morning25283.7%7.9%3.6%
Afternoon27365.9%25.6%2.6%
Evening5170.6%19.6%3.9%
Night18952.9%22.2%11.6%

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
Monday11974.8%16.0%4.2%
Tuesday12576.0%16.8%2.4%
Wednesday12271.3%19.7%3.3%
Thursday11963.0%26.1%3.4%
Friday11959.7%20.2%8.4%
Saturday7578.7%9.3%6.7%
Sunday12063.3%17.5%10.0%

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 Airlines44664.8%21.7%5.8%
Envoy Air23975.3%14.2%5.4%
Republic Airways11472.8%14.0%3.5%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20256147.5%24.6%16.4%
August 20255855.2%27.6%5.2%
September 20258083.8%12.5%1.2%
October 20258783.9%10.3%0.0%
November 20257967.1%17.7%6.3%
December 20256063.3%30.0%1.7%
January 20267957.0%24.1%12.7%
February 20266663.6%19.7%6.1%
March 20266167.2%16.4%8.2%
April 20265678.6%14.3%0.0%
May 20265682.1%10.7%1.8%
June 20265675.0%16.1%5.4%

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.

Airline25.6%
Late aircraft51.1%
National airspace9.0%
Weather14.3%
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.