Chicago/Waukegan to Denver (UGN–DEN) — Airlines, Schedules & Connections

UGN Airport Page →
891 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 19 1-stop flights Verified 1mo ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Chicago/Waukegan to Denver
Connecting service available through multiple hubs.
891 mi 2h 19m nonstop -1h behind 19 1-stop hubs

While no nonstop service exists between UGN and DEN, connecting options are available through 19 hubs.

Also explore UGN Routes DEN Routes UGN Live Flights DEN Live Flights DEN Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for UGN to DEN.
1-STOP
One-Stop Connections
19
Hubs
~4h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
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.
Alternatives

Other ways to reach Denver from Chicago/Waukegan

Nearby airports with service to Denver International Airport.
Metric UGN→DEN ORD→DEN MKE→DEN
Distance from UGN – 31 mi 36 mi
Nonstop airlines 0 21 7
Weekly flights 0 455 71
Flight time 2h 19m 2h 33m 2h 18m
Chicago (ORD) to Denver flights · Milwaukee (MKE) to Denver flights · Chicago (MDW) to Denver flights
Airports within 200 miles of UGN 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/Waukegan.
UGN: CDT · DEN: MDT

When it's 6:00 PM in Chicago/Waukegan, it's 5:00 PM in Denver.
Distance & Flight Time
891 mi / 1,433 km
Nonstop flight time is approximately 2h 19m.
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

UGN–DEN Quick Facts

Key statistics for the Chicago/Waukegan to Denver route.
Route details
Distance891 mi / 1,433 km
Flight time2h 19m
Time difference-1 hour
Airlines (nonstop)0
1-stop connections19 hubs
Origin: UGN
Full nameWaukegan National Airport
IATA / ICAOUGN / KUGN
TimezoneAmerica/Chicago
Elevation727 ft / 222 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 UGN to DEN flights.
Nonstop flights from Waukegan National Airport to Denver International Airport take approximately 2h 19m. The route covers 891 miles.
Yes, 1-stop connections are available through MDW, IND, SDF, MKC, BHM, HOU, SAT, DAL, IAD, ATL, SAV, LAS, PSP, MCO, BOS, SNA, RSW, LAX and STL. These options provide additional schedule flexibility.
Denver is 1 hour behind Chicago/Waukegan.
Nearby alternatives include ORD, MKE 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 UGN to DEN

Waukegan National Airport (UGN) and Denver International Airport (DEN) are connected through multiple connecting hub airports.

UGN to DEN Flight Duration and Schedule

Nonstop flight time from UGN to DEN ranges from 2 hours 19 minutes. The route covers a distance of 891 miles (1,433 km).

Connecting Options and Alternatives

19 one-stop connections are available, with the fastest taking approximately 4 hours via MDW. Nearby alternative airports include Chicago (ORD), Milwaukee (MKE) and Chicago (MDW).