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

Charleston, SC (CHS) to Washington, DC (DCA) flight delay odds

68.7% of 1,755 official scheduled CHS-to-DCA flights arrived on time; 19.3% arrived at least 30 minutes late and 5.0% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALHigher disruption
68.7%arrived on time
19.3%30+ min late
5.0%cancelled
1,755scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.4%all scheduled flights
120+ minutes late5.5%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+21.3 mincompleted flights

Which departure time was most reliable for CHS to DCA?

Among qualifying CHS-to-DCA departure window results, Early morning had the highest on-time rate: 88.3% of 351 flights. Evening was lowest at 52.2% across 477 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning35188.3%6.3%2.6%
Late morning36678.1%10.9%2.7%
Afternoon56164.3%23.2%5.3%
Evening47752.2%30.8%8.2%

Which weekday was most reliable for CHS to DCA?

Among qualifying CHS-to-DCA weekday results, Saturday had the highest on-time rate: 73.1% of 208 flights. Thursday was lowest at 63.9% across 252 flights.

DayFlightsOn time30+ minCancelled
Monday26170.9%17.6%6.1%
Tuesday26570.6%17.0%3.0%
Wednesday25667.6%19.9%4.3%
Thursday25263.9%25.0%3.2%
Friday25966.4%20.8%5.0%
Saturday20873.1%13.5%7.2%
Sunday25469.3%20.5%6.7%

Which airline was most reliable for CHS to DCA?

Among qualifying CHS-to-DCA airline results, American Airlines had the highest on-time rate: 75.1% of 502 flights. PSA Airlines was lowest at 62.7% across 874 flights.

AirlineFlightsOn time30+ minCancelled
PSA Airlines87462.7%23.1%6.9%
American Airlines50275.1%15.9%2.2%
Republic Airways37574.1%15.2%4.3%
Envoy Air475.0%0.0%25.0%

Which month was most reliable for CHS to DCA?

Among qualifying CHS-to-DCA month results, September 2025 had the highest on-time rate: 80.1% of 146 flights. July 2025 was lowest at 52.7% across 150 flights.

MonthFlightsOn time30+ minCancelled
July 202515052.7%26.7%14.0%
August 202514977.9%14.1%4.0%
September 202514680.1%13.0%0.7%
October 202515176.8%13.2%0.7%
November 202514368.5%20.3%4.9%
December 202514363.6%24.5%3.5%
January 202614362.2%17.5%10.5%
February 202613360.2%24.1%4.5%
March 202615259.9%24.3%10.5%
April 202614875.7%16.2%2.0%
May 202615174.8%18.5%0.7%
June 202614671.2%19.9%4.1%

What drove CHS to DCA delay minutes?

Late aircraft was the largest recorded CHS-to-DCA delay category, accounting for 50.8% of 48,668 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.0%
Late aircraft50.8%
National airspace25.6%
Weather0.6%
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.