--- title: "CZM to IAH flights: who flies it, and when" description: "United Airlines flies nonstop from CZM to IAH, about 7 flights a week as UA 1867, scheduled at 2h 26m to 2h 33m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/czm-iah" url: "https://2lnr.com/routes/czm-iah.md" date_modified: "2026-10-18T05:10:47Z" --- # San Miguel de Cozumel to Houston (CZM-IAH): nonstop flights and who flies them United Airlines flies the CZM to IAH nonstop about 7 times a week. In the timetable below it flies as UA 1867, scheduled at 2h 26m to 2h 33m for the 838 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 CZM to IAH on the interactive map [Get started free](https://2lnr.com/login) 7 Flights a week, 4-week average 2h 26m to 2h 33m Scheduled flight time 838 mi Nonstop distance Free To get started ## San Miguel de Cozumel to Houston flight schedule Scheduled nonstop departures for CZM 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 San Miguel de Cozumel (CZM) to Houston (IAH) | Date | Flight | Airline | Departs CZM | Arrives IAH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 1867 | United Airlines | 15:52 | 18:18 | 2h 26m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Fri, Oct 23 | UA 1867 | United Airlines | 15:52 | 18:18 | 2h 26m | Boeing 737-800 | | Sat, Oct 24 | UA 1867 | United Airlines | 15:52 | 18:18 | 2h 26m | Boeing 737-800 | | Sun, Oct 25 | UA 1867 | United Airlines | 15:50 | 18:23 | 2h 33m | Boeing 737-800 | | Mon, Oct 26 | UA 1867 | United Airlines | 15:50 | 18:23 | 2h 33m | Boeing 737-800 | | Tue, Oct 27 | UA 1867 | United Airlines | 15:50 | 18:23 | 2h 33m | Boeing 737-800 | | Wed, Oct 28 | UA 1867 | United Airlines | 15:50 | 18:23 | 2h 33m | Boeing 737-800 | Showing all 7 scheduled CZM 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 CZM to IAH date on the interactive map ## Aircraft on the San Miguel de Cozumel to Houston nonstop United Airlines flies the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.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 CZM to IAH nonstop schedule This page carries the full CZM 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 CZM to IAH nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See CZM to IAH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying San Miguel de Cozumel to Houston nonstop Carriers operating CZM 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 CZM to IAH on the interactive map → ## Frequently asked questions about CZM to IAH **How long is the flight from San Miguel de Cozumel (CZM) to Houston (IAH)?** Scheduled flight times from San Miguel de Cozumel (CZM) to Houston (IAH) run from 2h 26m to 2h 33m across the departures in the schedule table on this page. The nonstop covers about 838 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from CZM to IAH?** United Airlines is currently the only airline flying CZM to IAH nonstop. 2LNR doesn't show award or upgrade space for it on CZM to IAH, so this page carries the schedule rather than a space claim. **How many flights a week are there from CZM to IAH?** About 7 nonstop flights a week run between San Miguel de Cozumel (CZM) 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 CZM to IAH depart?** Scheduled CZM to IAH nonstops in the next 7 days with service leave between 15:50 and 15:52, local time at San Miguel de Cozumel. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate CZM to IAH nonstop?** United Airlines flies UA 1867 nonstop from San Miguel de Cozumel (CZM) to Houston (IAH), 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 CZM to IAH?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on CZM to IAH. The page carries the full CZM to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAH to CZM nonstop flights](https://2lnr.com/routes/iah-czm.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from San Miguel de Cozumel (CZM)](https://2lnr.com/routes/czm.md), or [every route from Houston (IAH)](https://2lnr.com/routes/iah.md). Nonstops to Houston (IAH) from other airports within 150 miles of San Miguel de Cozumel (CZM): - [Cancun (CUN) to Houston (IAH)](https://2lnr.com/routes/cun-iah.md), 36 miles from CZM - [Tulum (TQO) to Houston (IAH)](https://2lnr.com/routes/tqo-iah.md), 53 miles from CZM 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 CZM 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)