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

Washington, DC (IAD) to Charlotte, NC (CLT) flight delay odds

Historically, 81.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,994 flights.

HISTORICAL ROUTE SIGNALVariable
81.3%arrived on time
10.8%30+ min late
2.8%cancelled
1,994scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.1%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+2.3 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 morning45084.2%6.2%2.4%
Late morning35390.1%5.7%1.4%
Afternoon56680.6%11.3%3.0%
Evening49372.2%18.3%4.3%
Night13284.8%10.6%0.8%

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
Monday28882.3%11.8%2.4%
Tuesday26785.0%10.1%1.1%
Wednesday27984.9%9.7%1.4%
Thursday29282.2%8.9%2.1%
Friday30283.1%8.9%2.6%
Saturday25279.8%10.7%4.0%
Sunday31472.6%15.3%5.4%

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 Airlines1,03281.2%10.9%3.4%
Republic Airways49678.8%13.1%2.8%
American Airlines44083.9%8.6%1.4%
United Airlines2688.5%3.8%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202515671.8%18.6%6.4%
August 202516281.5%11.7%1.9%
September 202516493.9%3.7%0.6%
October 202515585.8%9.0%0.0%
November 202516180.7%13.7%2.5%
December 202517768.9%23.2%0.0%
January 202619776.1%9.1%9.6%
February 202617782.5%6.8%2.3%
March 202617979.9%11.2%5.0%
April 202617390.8%5.8%0.6%
May 202617485.6%6.3%0.6%
June 202611978.2%11.8%2.5%

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.

Airline32.5%
Late aircraft50.4%
National airspace13.5%
Weather3.6%
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.