--- title: "Houston (IAH) to Manzanillo (ZLO) flights: who flies it" description: "United Airlines flies Houston (IAH) to Manzanillo (ZLO) nonstop once a week as UA 6229, scheduled at 2h 54m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iah-zlo" url: "https://2lnr.com/routes/iah-zlo.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to Manzanillo (IAH-ZLO): nonstop flights and who flies them United Airlines flies nonstop from Houston (IAH) to Manzanillo (ZLO) just once a week. In the timetable below it flies as UA 6229, scheduled at 2h 54m for the 940 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. See IAH to ZLO on the interactive map [Get started free](https://2lnr.com/login) 1 Flights a week, 4-week average 2h 54m Scheduled flight time 940 mi Nonstop distance Free To get started ## Houston to Manzanillo flight schedule Scheduled nonstop departures for IAH to ZLO starting October 24, 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 Houston (IAH) to Manzanillo (ZLO) | Date | Flight | Airline | Departs IAH | Arrives ZLO | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 31 | UA 6229 | United Airlines | 10:03 | 11:57 | 2h 54m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Sat, Nov 7 | UA 6229 | United Airlines | 10:03 | 12:57 | 2h 54m | Embraer E175 | | Sat, Nov 14 | UA 6229 | United Airlines | 10:03 | 12:57 | 2h 54m | Embraer E175 | | Sat, Nov 21 | UA 6229 | United Airlines | 10:03 | 12:57 | 2h 54m | Embraer E175 | | Sat, Nov 28 | UA 6229 | United Airlines | 10:03 | 12:57 | 2h 54m | Embraer E175 | | Sat, Dec 19 | UA 6229 | United Airlines | 10:03 | 12:57 | 2h 54m | Embraer E175 | | Wed, Dec 30 | UA 6229 | United Airlines | 10:03 | 12:57 | 2h 54m | Embraer E175 | Showing all 7 scheduled IAH to ZLO departures across 7 days with service, starting October 24, 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 IAH to ZLO date on the interactive map ## Aircraft on the Houston to Manzanillo 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 IAH to ZLO nonstop schedule This page carries the full IAH to ZLO nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each IAH to ZLO nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAH to ZLO on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to Manzanillo nonstop Carriers operating IAH to ZLO 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 IAH to ZLO on the interactive map → ## Frequently asked questions about IAH to ZLO **How long is the flight from Houston (IAH) to Manzanillo (ZLO)?** UA 6229 is scheduled at 2h 54m from Houston (IAH) to Manzanillo (ZLO) on every departure in the schedule table on this page. The nonstop covers about 940 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAH to ZLO?** United Airlines is currently the only airline flying IAH to ZLO nonstop. 2LNR doesn't show award or upgrade space for it on IAH to ZLO, so this page carries the schedule rather than a space claim. **How often does IAH to ZLO operate?** The IAH to ZLO nonstop currently runs once a week, on United Airlines. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from IAH to ZLO depart?** In the next 7 days with service, every scheduled IAH to ZLO nonstop leaves at 10:03 local time at Houston. The schedule table on this page lists each departure by date. **Which flights operate IAH to ZLO nonstop?** United Airlines flies UA 6229 nonstop from Houston (IAH) to Manzanillo (ZLO), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **Does 2LNR show upgrade or award space on IAH to ZLO?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAH to ZLO. The page carries the full IAH to ZLO nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [ZLO to IAH nonstop flights](https://2lnr.com/routes/zlo-iah.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Houston (IAH)](https://2lnr.com/routes/iah.md), or [every route from Manzanillo (ZLO)](https://2lnr.com/routes/zlo.md). Nonstops from Houston (IAH) to other airports within 150 miles of Manzanillo (ZLO): - [Houston (IAH) to Guadalajara (GDL)](https://2lnr.com/routes/iah-gdl.md), 119 miles from ZLO - [Houston (IAH) to Puerto Vallarta (PVR)](https://2lnr.com/routes/iah-pvr.md), 123 miles from ZLO 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 IAH to ZLO 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)