Frontier AirlinesF9
Flights F91247 20:01 Mo Th Fr Sa Su
live
Direct flights from Grand Rapids (GRR) to Denver (DEN): 18 nonstop departures observed each week across 3 airlines. 91% of the last 11 operated flights arrived within 15 minutes of schedule. The median arrival is 3 minutes late. No cancellations were recorded across the 11 tracked flights. The nonstop covers 1,629 km, an estimated 2 hours 35 minutes in the air. Measured by Pro Flight Search from live flight boards at Grand Rapids and Denver. Updated 12 September 2026 at 11:39 UTC.
GRR
Grand Rapids
smooth · +10
DEN
Denver
busy · +16
1,629 km · ~2h 35m est.
Runs reliable · 3 airlines · 18x weekly · nonstop
91% on time
of the last 11 operated GRR → DEN flights arrived within 15 minutes
Median arrival delay is +3 min. 0 of 11 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+3 minacross the last 11 operated legs
Flight time~2h 35mestimated from route distance
Weekly departures18x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 11
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 GRR and DEN: 45% odds of a 15+ minute delay and around +10 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 Grand Rapids to Denver route actually runs
Pro Flight Search records official board updates for nonstop GRR 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 — Grand Rapids (GRR) to Denver (DEN) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/GRR-DEN
GRR to DEN questions
Is GRR–DEN running on time right now?
Smooth skies ahead. The arrival side at DEN is the weaker end, route health score 82/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on GRR–DEN?
Operators schedule morning departures around 08:00 and evening departures around 17:15 from GRR. 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 GRR to DEN?
Great-circle distance is 1,629 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 145–170 min gate-to-gate on this route.
How often does GRR–DEN fly?
3 carriers operate this route, around 25 flights a week between them. Compare carrier days and times in the airline list above.
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