--- title: "ZIH to IAH flights: who flies it, and when" description: "United Airlines flies nonstop from ZIH to IAH, about 4 flights a week, scheduled at 2h 33m to 2h 38m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/zih-iah" url: "https://2lnr.com/routes/zih-iah.md" date_modified: "2026-10-18T05:10:47Z" --- # Colonia Aeropuerto to Houston (ZIH-IAH): nonstop flights and who flies them United Airlines flies the ZIH to IAH nonstop about 4 times a week. In the timetable below it flies as UA 5406 and UA 6215, scheduled at 2h 33m to 2h 38m for the 938 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See ZIH to IAH on the interactive map [Get started free](https://2lnr.com/login) 4 Flights a week, 4-week average 2h 33m to 2h 38m Scheduled flight time 938 mi Nonstop distance Free To get started ## Colonia Aeropuerto to Houston flight schedule Scheduled nonstop departures for ZIH to IAH starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Colonia Aeropuerto (ZIH) to Houston (IAH) | Date | Flight | Airline | Departs ZIH | Arrives IAH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 24 | UA 6215 | United Airlines | 12:40 | 16:13 | 2h 33m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Sun, Oct 25 | UA 5406 | United Airlines | 12:59 | 16:32 | 2h 33m | Embraer E175 | | Mon, Oct 26 | UA 6215 | United Airlines | 12:59 | 16:37 | 2h 38m | Embraer E175 | | Thu, Oct 29 | UA 6215 | United Airlines | 12:59 | 16:37 | 2h 38m | Embraer E175 | | Sat, Oct 31 | UA 6215 | United Airlines | 12:59 | 16:37 | 2h 38m | Embraer E175 | | Sun, Nov 1 | UA 5406 | United Airlines | 13:59 | 16:32 | 2h 33m | Embraer E175 | | Mon, Nov 2 | UA 6215 | United Airlines | 13:59 | 16:37 | 2h 38m | Embraer E175 | Showing all 7 scheduled ZIH to IAH departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every ZIH to IAH date on the interactive map ## Aircraft on the Colonia Aeropuerto to Houston nonstop United Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full ZIH to IAH nonstop schedule This page carries the full ZIH to IAH nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each ZIH to IAH nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See ZIH to IAH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Colonia Aeropuerto to Houston nonstop Carriers operating ZIH to IAH nonstop in the current schedule. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) See ZIH to IAH on the interactive map → ## Frequently asked questions about ZIH to IAH **How long is the flight from Colonia Aeropuerto (ZIH) to Houston (IAH)?** Scheduled flight times from Colonia Aeropuerto (ZIH) to Houston (IAH) run from 2h 33m to 2h 38m across the departures in the schedule table on this page. The nonstop covers about 938 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ZIH to IAH?** United Airlines is currently the only airline flying ZIH to IAH nonstop. 2LNR doesn't show award or upgrade space for it on ZIH to IAH, so this page carries the schedule rather than a space claim. **How many flights a week are there from ZIH to IAH?** About 4 nonstop flights a week run between Colonia Aeropuerto (ZIH) and Houston (IAH) in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from ZIH to IAH depart?** Scheduled ZIH to IAH nonstops in the next 7 days with service leave between 12:40 and 13:59, local time at Colonia Aeropuerto. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate ZIH to IAH nonstop?** In the schedule table on this page, ZIH to IAH nonstops fly as UA 5406 and UA 6215 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on ZIH to IAH?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on ZIH to IAH. The page carries the full ZIH to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAH to ZIH nonstop flights](https://2lnr.com/routes/iah-zih.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Colonia Aeropuerto (ZIH)](https://2lnr.com/routes/zih.md), or [every route from Houston (IAH)](https://2lnr.com/routes/iah.md). Nonstops to Houston (IAH) from other airports within 150 miles of Colonia Aeropuerto (ZIH): - [Acapulco (ACA) to Houston (IAH)](https://2lnr.com/routes/aca-iah.md), 127 miles from ZIH Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full ZIH to IAH nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)