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

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

67.6% of 1,755 official scheduled DCA-to-CHS flights arrived on time; 20.1% arrived at least 30 minutes late and 3.5% 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 SIGNALVariable
67.6%arrived on time
20.1%30+ min late
3.5%cancelled
1,755scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.3%all scheduled flights
120+ minutes late5.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+17.5 mincompleted flights

Which departure time was most reliable for DCA to CHS?

Among qualifying DCA-to-CHS departure window results, Early morning had the highest on-time rate: 78.7% of 356 flights. Evening was lowest at 55.1% across 633 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning35678.7%11.0%2.2%
Late morning28975.8%15.6%2.4%
Afternoon43870.1%17.6%2.7%
Evening63355.1%29.4%5.5%

Which weekday was most reliable for DCA to CHS?

Among qualifying DCA-to-CHS weekday results, Tuesday had the highest on-time rate: 75.5% of 265 flights. Monday was lowest at 62.1% across 261 flights.

DayFlightsOn time30+ minCancelled
Monday26162.1%22.6%4.6%
Tuesday26575.5%13.6%2.6%
Wednesday25569.0%20.0%1.2%
Thursday25365.6%23.3%2.0%
Friday25964.1%21.2%3.9%
Saturday20872.6%15.4%5.3%
Sunday25465.4%23.6%5.5%

Which airline was most reliable for DCA to CHS?

Among qualifying DCA-to-CHS airline results, Republic Airways had the highest on-time rate: 77.9% of 375 flights. American Airlines was lowest at 63.6% across 503 flights.

AirlineFlightsOn time30+ minCancelled
PSA Airlines87365.5%20.3%4.4%
American Airlines50363.6%25.0%2.2%
Republic Airways37577.9%13.1%3.5%
Envoy Air475.0%0.0%0.0%

Which month was most reliable for DCA to CHS?

Among qualifying DCA-to-CHS month results, April 2026 had the highest on-time rate: 77.7% of 148 flights. December 2025 was lowest at 57.6% across 144 flights.

MonthFlightsOn time30+ minCancelled
July 202515058.0%23.3%8.0%
August 202514969.8%16.8%4.0%
September 202514571.0%23.4%0.0%
October 202515175.5%14.6%0.7%
November 202514368.5%22.4%2.1%
December 202514457.6%22.9%3.5%
January 202614365.7%18.2%9.8%
February 202613364.7%21.8%3.0%
March 202615263.2%23.0%5.9%
April 202614877.7%16.9%1.4%
May 202615176.2%14.6%0.0%
June 202614663.0%23.3%4.1%

What drove DCA to CHS delay minutes?

Late aircraft was the largest recorded DCA-to-CHS delay category, accounting for 57.2% of 40,109 BTS-attributed delay minutes during July 2025–June 2026.

Airline21.1%
Late aircraft57.2%
National airspace12.6%
Weather8.9%
Security0.2%
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.