Is IAD–CHA running on time right now?
Some delays possible. The departure side at IAD is the weaker end, route health score 64/100. The airports section above carries the live status and delay window at both ends.
live
Direct flights from Washington (IAD) to Chattanooga (CHA) run nonstop between the two airports. The nonstop covers 813 km, an estimated 1 hour 33 minutes in the air.
IAD
Washington
busy · +27
CHA
Chattanooga
tracking
813 km · ~1h 33m est.
Under pressure · 0 airlines · nonstop
64 / 100
route health from live IAD and CHA delay boards
Search live fares for this route →Flight time~1h 33mestimated from route distance
Airports right now
live boardsnext sweep in 120s
How the Washington to Chattanooga route actually runs
Pro Flight Search tracks every published board update for nonstop IAD to CHA flights: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises. Fares link straight to the operating airline with no markups.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Washington (IAD) to Chattanooga (CHA) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAD-CHA
IAD to CHA questions
How long is the flight from IAD to CHA?
Great-circle distance is 813 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 87–100 min gate-to-gate on this route.
What does the route health score measure?
A blend of departure-side delay at IAD and arrival-side delay at CHA, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.
.