Chicago/Rockford to Denver (RFD–DEN) — Airlines, Schedules & Connections

RFD Airport Page →
827 mi airlines 0/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 2w ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Chicago/Rockford to Denver
Connecting service available through multiple hubs.
1 Airlines 827 mi 2h 38m nonstop -1h behind 17 1-stop hubs

RFD–DEN is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 827 miles in approximately 2h 38m. Beyond nonstop, 17 hubs offer 1-stop connections.

Also explore RFD Routes DEN Routes RFD Live Flights DEN Live Flights DEN Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop RFD–DEN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 0 – – – Star Alliance –
Alliance coverage
Star Alliance: UA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for RFD to DEN.
1-STOP
One-Stop Connections
17
Hubs
~5h
Fastest
~25h
Longest
SDF ~5h 20m JAC ~6h 8m AZA ~6h 37m SEA ~6h 59m ONT ~7h 37m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
801
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
RFD → DEN
87%
Generally reliable. Most flights run on time.
Arriving
87%
Return
DEN → RFD
89%
Generally reliable. Most flights run on time.
Departing
89%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. DEN delays →
Alternatives

Other ways to reach Denver from Chicago/Rockford

Nearby airports with service to Denver International Airport.
Metric RFD→DEN ORD→DEN MSN→DEN
Distance from RFD – 63 mi 66 mi
Nonstop airlines 1 11 2
Weekly flights 0 276 27
Flight time 2h 38m 2h 15m 2h 32m
Chicago (ORD) to Denver flights · Madison (MSN) to Denver flights · Chicago (MDW) to Denver flights
Airports within 200 miles of RFD with service to Denver International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Denver is 1 hour behind Chicago/Rockford.
RFD: CDT · DEN: MDT

When it's 6:00 PM in Chicago/Rockford, it's 5:00 PM in Denver.
Distance & Flight Time
827 mi / 1,330 km
Nonstop flight time is approximately 2h 38m.
Getting from DEN

RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.

Denver Climate

Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.

Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.

Check current weather forecasts before travel.
Facts

RFD–DEN Quick Facts

Key statistics for the Chicago/Rockford to Denver route.
Route details
Distance827 mi / 1,330 km
Flight time2h 38m
Time difference-1 hour
Airlines (nonstop)1
1-stop connections17 hubs
Origin: RFD
Full nameChicago Rockford International Airport
IATA / ICAORFD / KRFD
TimezoneAmerica/Chicago
Passengers/yr0.3M
Elevation742 ft / 226 m
Destination: DEN
Full nameDenver International Airport
IATA / ICAODEN / KDEN
TimezoneAmerica/Denver
Passengers/yr82.4M
Elevation5,431 ft / 1,655 m
FAQ

Frequently Asked Questions

Common questions about RFD to DEN flights.
Nonstop flights from Chicago Rockford International Airport to Denver International Airport take approximately 2h 38m. The route covers 827 miles.
1 airline operates nonstop service: United Airlines.
Yes, 1-stop connections are available through SDF, JAC, AZA, SEA, ONT, LGB, BDL, OAK, LAX, RSW, JFK, BFI, MIA, ORD, LAS, FLL and SRQ. These options provide additional schedule flexibility.
Denver is 1 hour behind Chicago/Rockford.
Nearby alternatives include ORD, MSN and MDW. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from RFD to DEN

Chicago Rockford International Airport (RFD) and Denver International Airport (DEN) are connected by nonstop service from United Airlines.

RFD to DEN Flight Duration and Schedule

Nonstop flight time from RFD to DEN ranges from 2 hours 38 minutes. The route covers a distance of 827 miles (1,330 km).

Connecting Options and Alternatives

17 one-stop connections are available, with the fastest taking approximately 5 hours via SDF. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (ORD), Madison (MSN) and Chicago (MDW).