United Airlines flights from Chicago to Houston
About United Airlines flights from Chicago to Houston
United Airlines operates flights from Chicago O'Hare International Airport (ORD) to Houston's George Bush Intercontinental Airport (IAH), covering a distance of 1,516 kilometers. The typical flight time is 3 hours and 9 minutes, though connections are common on this route. This flight serves both business and leisure travelers between these major US cities.
Fares tend to be lowest in September. United allows cabin bags up to 56x36x23 cm, though checked baggage is not included in economy fares (first checked bag costs extra at 23 kg). Online check-in opens 24 hours before departure and closes 45 minutes before departure.
Airports on this route
| Departure | O'Hare International Airport (ORD) |
|---|---|
| Arrival | George Bush Intercontinental Airport (IAH) |
| Flight time | 3 h 9 min (estimated) |
| Distance | 1516 km |
United Airlines cabin bag: 1 piece, 56 × 36 × 23 cm (22 × 14 × 9 in). Checked bag in Economy: not included in the basic fare (from 45 USD).
| Item | Allowance | Details |
|---|---|---|
| Cabin bag | 1 piece | 56 × 36 × 23 cm (22 × 14 × 9 in) |
| Personal item | included | small bag under the seat |
| Checked baggage - Economy | 1 piece · 23 kg (51 lb) | paid option, from 45 USD · max total dimensions 158 cm (62 in) |
| Extra bag | from 55 USD | cheaper when added online in advance |
Basic Economy allowance on most routes; premium fares and some destinations get more. Weights are shown in kilograms with pounds in brackets, sizes in centimetres with inches in brackets. Always confirm on the official website before travelling.
United Airlines online check-in opens 24 h before departure and closes 45 min before departure. Online check-in is free.
| Online check-in opens | 24 h before departure |
|---|---|
| Online check-in closes | 45 min before departure |
| Airport counters open | 3 h before departure |
| Airport counters close | 45 min before departure |
| Boarding gate closes | 45 min before departure |
| Check-in fee | online check-in is free |
| Boarding pass | mobile boarding pass, print at home, at the airport |
| Mobile app check-in | available |
| Self-service kiosks | available |
Times apply to most routes; long-haul, US and some airport-specific deadlines differ. Confirm on the official website before travelling.