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

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

Historically, 81.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 301 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
81.4%arrived on time
11.3%30+ min late
2.3%cancelled
301scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.6%all scheduled flights
120+ minutes late5.3%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+15.9 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 morning30181.4%11.3%2.3%

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
Monday5078.0%14.0%6.0%
Tuesday5267.3%21.2%3.8%
Wednesday5082.0%14.0%0.0%
Thursday4983.7%6.1%2.0%
Friday5090.0%4.0%0.0%
Sunday5088.0%8.0%2.0%

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 Airlines27280.1%12.1%2.6%
Republic Airways1593.3%0.0%0.0%
Envoy Air1492.9%7.1%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20252777.8%14.8%3.7%
August 202526100.0%0.0%0.0%
September 20252692.3%3.8%0.0%
October 20252792.6%7.4%0.0%
November 20252487.5%4.2%0.0%
December 20252050.0%30.0%0.0%
January 20262268.2%18.2%9.1%
February 20262462.5%20.8%4.2%
March 20262785.2%11.1%3.7%
April 20262680.8%11.5%0.0%
May 20262688.5%7.7%3.8%
June 20262680.8%11.5%3.8%

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.

Airline59.8%
Late aircraft23.9%
National airspace8.3%
Weather8.0%
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.