Frontier AirlinesF9
Flights F92225 19:54 daily
live
Direct flights from Raleigh/Durham (RDU) to Denver (DEN): 21 nonstop departures observed each week across 3 airlines. 100% of the last 10 operated flights arrived within 15 minutes of schedule. The median arrival is 11 minutes early. No cancellations were recorded across the 10 tracked flights. The nonstop covers 2,306 km, an estimated 3 hours 27 minutes in the air. Measured by Pro Flight Search from live flight boards at Raleigh/Durham and Denver. Updated 10 September 2026 at 07:39 UTC.
RDU
Raleigh/Durham
busy · +22
DEN
Denver
disrupted · +72
2,306 km · ~3h 27m est.
Runs reliable · 3 airlines · 21x weekly · nonstop
100% on time
of the last 10 operated RDU → DEN flights arrived within 15 minutes
Median arrival delay is −11 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−11 minacross the last 10 operated legs
Flight time~3h 27mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 10
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier AirlinesSouthwest AirlinesUnited Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at RDU and DEN: 43% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Raleigh/Durham to Denver route actually runs
Pro Flight Search records official board updates for nonstop RDU to DEN flights through the day: 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.
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 — Raleigh/Durham (RDU) to Denver (DEN) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/RDU-DEN
RDU to DEN questions
Is RDU–DEN running on time right now?
Significant delay risk. The arrival side at DEN is the weaker end, route health score 37/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on RDU–DEN?
Operators schedule morning departures around 08:15 and evening departures around 19:54 from RDU. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DEN delay card to confirm conditions when you'd arrive.
How long is the flight from RDU to DEN?
Great-circle distance is 2,306 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 193–228 min gate-to-gate on this route.
How often does RDU–DEN fly?
3 carriers operate this route, around 34 flights a week between them. Compare carrier days and times in the airline list above.
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