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

DEN Airport Page →
airlines charter/private
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Flight Schedule No service
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

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Denver to Chicago/Waukegan
Route information for DEN to UGN.
+1h ahead

On-Time Performance

What to expect at each end of your journey.
Outbound
DEN → UGN
74%
Moderate delays possible. Allow buffer time.
Departing
74%
Return
UGN → DEN
90%
Generally reliable. Most flights run on time.
Arriving
90%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. DEN delays →

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Chicago/Waukegan is 1 hour ahead of Denver.
DEN: MDT · UGN: CDT

When it's 6:00 PM in Denver, it's 7:00 PM in Chicago/Waukegan.
Getting to DEN

RTD A Line commuter rail runs from Denver Union Station to the airport (37 min, $10.50). Trains depart every 15 minutes during peak hours. The airport is 25 miles northeast of downtown; ride-shares cost $35–55 and take 30–45 minutes depending on I-70 traffic.Economy parking in lots 4–6 connects via free shuttle. Mountain shuttle services depart from Jeppesen Terminal's Ground Transportation level.

DEN–UGN Quick Facts

Key statistics for the Denver to Chicago/Waukegan route.
Route details
Time difference+1 hour
Airlines (nonstop)0
Origin: DEN
IATA / ICAODEN / KDEN
TimezoneAmerica/Denver
Passengers/yr82.4M
Elevation5,431 ft / 1,655 m
Destination: UGN
IATA / ICAOUGN / KUGN
TimezoneAmerica/Chicago
Elevation727 ft / 222 m

Frequently Asked Questions

Common questions about DEN to UGN flights.
Chicago/Waukegan is 1 hour ahead of Denver.
Yes, return flights from UGN to DEN are available. Use the direction toggle at the top to view the return schedule.
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.