ChicagoHoustonDirect FlightsORD–IAH
Chicago (O'Hare International Airport) to Houston (George Bush Intercontinental Airport).
Flight time from ORD to IAH is estimated at about 2h 30m, based on the 926-mile great-circle distance. Our current captured departure sample includes 18-19/day across 7 captured airlines, with United Airlines appearing most often in that sample. Captured departure times run from 02:56 to 22:34 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~2h 30m Estimated from great-circle distance — no tracked flights yet. | 926 mi | 18-19/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for ORD to IAH
Our current provider sample includes 18-19/day from ORD to IAH across 7 captured airlines. Captured departure terminal data is available for 1, 3, 5.
- First departure
- 02:56
- Last departure
- 22:34
- Cadence
- ~hourly
- Captured departures/day
- 30
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 11-12/day | Airbus A320 family, Boeing 737 · Terminal 1 · Seat map | 05:30 |
Aircraft on this route
Flying the other way?
IAH to ORD flights — 16-17/day on 4 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for ORD to IAH, last seen June 15, 2026. Frequency uses 132 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from ORD to IAH?
The ORD to IAH flight time is estimated at about 2h 30m from great-circle distance until enough tracked flights are available.
How far is ORD from IAH?
ORD to IAH is about 926 miles by air.
Which airlines fly from ORD to IAH?
Our current provider sample for ORD to IAH includes United Airlines, American Airlines, Frontier Airlines, Emirates, Qatar Airways. Confirm live timetables before booking.
What aircraft fly from ORD to IAH?
Aircraft captured in our current provider sample for ORD to IAH include Airbus A320 family, Airbus A320 family, Boeing 737, Airbus A320 family, Boeing 737, Embraer E-Jet, Boeing 777.