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

Washington, DC (DCA) to Chattanooga, TN (CHA) flight delay odds

59.3% of 300 official scheduled DCA-to-CHA flights arrived on time; 27.7% arrived at least 30 minutes late and 6.7% 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
59.3%arrived on time
27.7%30+ min late
6.7%cancelled
300scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late18.3%all scheduled flights
120+ minutes late8.0%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+27.2 mincompleted flights

Which departure time was most reliable for DCA to CHA?

Among qualifying DCA-to-CHA departure window results, Night had the highest on-time rate: 63.0% of 46 flights. Evening was lowest at 58.9% across 253 flights.

Departure windowFlightsOn time30+ minCancelled
Evening25358.9%26.1%7.5%
Night4663.0%34.8%2.2%

Which weekday was most reliable for DCA to CHA?

Among qualifying DCA-to-CHA weekday results, Tuesday had the highest on-time rate: 66.7% of 51 flights. Thursday was lowest at 53.1% across 49 flights.

DayFlightsOn time30+ minCancelled
Monday5064.0%22.0%6.0%
Tuesday5166.7%23.5%3.9%
Wednesday5062.0%26.0%12.0%
Thursday4953.1%38.8%2.0%
Friday5056.0%24.0%8.0%
Sunday5054.0%32.0%8.0%

Which airline was most reliable for DCA to CHA?

Only PSA Airlines met the DCA-to-CHA airline threshold: 60.5% of 271 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
PSA Airlines27160.5%27.7%6.6%
Republic Airways1540.0%26.7%6.7%
Envoy Air1457.1%28.6%7.1%

Which month was most reliable for DCA to CHA?

Among qualifying DCA-to-CHA month results, October 2025 had the highest on-time rate: 96.3% of 27 flights. July 2025 was lowest at 25.9% across 27 flights.

MonthFlightsOn time30+ minCancelled
July 20252725.9%40.7%22.2%
August 20252657.7%19.2%3.8%
September 20252684.6%11.5%0.0%
October 20252796.3%3.7%0.0%
November 20252450.0%37.5%4.2%
December 20251942.1%42.1%5.3%
January 20262259.1%31.8%9.1%
February 20262450.0%41.7%4.2%
March 20262755.6%33.3%3.7%
April 20262665.4%30.8%3.8%
May 20262657.7%30.8%7.7%
June 20262661.5%15.4%15.4%

What drove DCA to CHA delay minutes?

Late aircraft was the largest recorded DCA-to-CHA delay category, accounting for 61.2% of 9,598 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.4%
Late aircraft61.2%
National airspace7.7%
Weather4.6%
Security0.1%
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.