Chicago O'Hare International Airport
Chicago, United StatesORD / KORD
International hub · 259 direct destinations · 8 runways · longest runway 12,999 ft
51 °F · CloudySource: METAR observation via the NOAA Aviation Weather Center
Route
Chicago → Denver
ORD
ChicagoChicago O'Hare International Airport
ChicagoChicago O'Hare International AirportDENDenverDenver International Airport
DenverDenver International Airport- Distance
- 886 mi
- Estimated flight time
- ~2h 15m
Denver is currently 1 hour behind Chicago.
Observed nonstop
How often does this route fly?
Frequency
Throughout the day
On average around 16.5 flights a day, observed from October 2025 to September 2026.
- 16.5
- flights per day
- 21
- busiest month · Sep
- 13
- quietest month · Dec
- 2 hr 9 min
- measured flight time
- 12 / 12
- months seen
Through the year
Per day, month by month
- 13Jan2026
- 15Feb
- 15Mar
- 16Apr
- 19May
- 17Jun
- 17Jul
- 18Aug
- 21Sep
- 20Oct2025
- 14Nov
- 13Dec
Airlines
Who flies it
United Airlinesall year
American Airlinesall year
Frontier Airlinesall year
Southwest Airlinesspring
Envoy Airwinter
SkyWest Airlinesall year
Key Lime Airautumn
Through the day
Departure times
Local time in Chicago. Most departures between 13:00 and 16:00.
- 00:00
- 01:00
- 02:00
- 03:00
- 04:00
- 05:00
- 06:00
- 07:00
- 08:00
- 09:00
- 10:00
- 11:00
- 12:00
- 13:00
- 14:00
- 15:00
- 16:00
- 17:00
- 18:00
- 19:00
- 20:00
- 21:00
- 22:00
- 23:00
Through the week
By weekday
- 16.4Mon
- 15.7Tue
- 15.5Wed
- 16Thu
- 16.6Fri
- 16.1Sat
- 16.5Sun
Fleet
Aircraft observed
- Airbus A321neoA21N42%
- Boeing 737-800B73814%
- Airbus A319A31910%
- Boeing 737-900B7399%
- Boeing 737 MAX 9B39M3%
All the numbers in a table
| Month | Per day | Seen | Airlines |
|---|---|---|---|
| January 2026 | 13 | 385 |
|
| February 2026 | 15 | 436 |
|
| March 2026 | 15 | 434 |
|
| April 2026 | 16 | 450 |
|
| May 2026 | 19 | 515 |
|
| June 2026 | 17 | 525 |
|
| July 2026 | 17 | 524 |
|
| August 2026 | 18 | 530 |
|
| September 2026 | 21 | 613 |
|
| October 2025 | 20 | 599 |
|
| November 2025 | 14 | 411 |
|
| December 2025 | 13 | 375 |
|
Airlines observed on this route
From observed callsign routes on ORD-DEN - not a booking guarantee.
About this route
- Domestic route: both airports are in the same country.
- The opposite direction has also been observed as a direct connection.
- Direct destinations observed from Chicago: 259.
- Direct destinations observed from Denver: 203.
The airports on this route
Denver International Airport
Denver, United StatesDEN / KDEN
International hub · 203 direct destinations · 6 runways · longest runway 16,001 ft
32 °F · ClearSource: METAR observation via the NOAA Aviation Weather Center
Alternative airports for this journey
Same journey, a different airport nearby - with an observed direct connection.
MDW DENChicago Midway International AirportChicago is about 16 mi from Chicago.View route →RFD DENChicago Rockford International AirportChicago is about 63 mi from Chicago.View route →MKE DENGeneral Mitchell International AirportMilwaukee is about 67 mi from Chicago.View route →ORD COSCity of Colorado Springs Municipal AirportColorado Springs is about 73 mi from Denver.View route →
About the route from Chicago to Denver
The observed direct connection between Chicago O'Hare International Airport (ORD) and Denver International Airport (DEN) covers approximately 886 mi. The estimated flight time is around 2h 15m. American Airlines, Envoy Air, Frontier Airlines, Key Lime Air, SkyWest Airlines, Southwest Airlines and United Airlines have been observed on this connection in the available route data.
Frequently asked questions about this route
- How far is Chicago from Denver by air?
- The great-circle distance between Chicago O'Hare International Airport and Denver International Airport is approximately 886 mi.
- How long is the flight from Chicago to Denver?
- Based on the distance, the estimated flight time is about 2h 15m. This is an estimate, not a schedule.
- Is there a direct connection from Chicago to Denver?
- Yes, a direct connection between ORD and DEN has been observed in our route data.
- Which airlines have been observed on this route?
- In the available route data: American Airlines, Envoy Air, Frontier Airlines, Key Lime Air, SkyWest Airlines, Southwest Airlines and United Airlines.
- How often is there a flight from Chicago to Denver?
- On average around 16.5 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 5,797 observed flights. Mainly United Airlines, American Airlines, Frontier Airlines. That is an observation, not a timetable.
- What is the current time difference between Chicago and Denver?
- Denver is currently 1 hour behind Chicago.
Where this data comes from
The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.
The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.
Route data updated on October 11, 2026.