--- title: "IAH to CZM flights: who flies it, and when" description: "United Airlines flies nonstop from IAH to CZM, about 7 flights a week as UA 1919, scheduled at 2h 27m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iah-czm" url: "https://2lnr.com/routes/iah-czm.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to San Miguel de Cozumel (IAH-CZM): nonstop flights and who flies them United Airlines flies the IAH to CZM nonstop about 7 times a week. In the timetable below it flies as UA 1919, scheduled at 2h 27m 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 IAH to CZM on the interactive map [Get started free](https://2lnr.com/login) 7 Flights a week, 4-week average 2h 27m Scheduled flight time 838 mi Nonstop distance Free To get started ## Houston to San Miguel de Cozumel flight schedule Scheduled nonstop departures for IAH to CZM 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 Houston (IAH) to San Miguel de Cozumel (CZM) | Date | Flight | Airline | Departs IAH | Arrives CZM | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 1919 | United Airlines | 12:15 | 14:42 | 2h 27m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Fri, Oct 23 | UA 1919 | United Airlines | 12:15 | 14:42 | 2h 27m | Boeing 737-800 | | Sat, Oct 24 | UA 1919 | United Airlines | 12:15 | 14:42 | 2h 27m | Boeing 737-800 | | Sun, Oct 25 | UA 1919 | United Airlines | 12:15 | 14:42 | 2h 27m | Boeing 737-800 | | Mon, Oct 26 | UA 1919 | United Airlines | 12:15 | 14:42 | 2h 27m | Boeing 737-800 | | Tue, Oct 27 | UA 1919 | United Airlines | 12:15 | 14:42 | 2h 27m | Boeing 737-800 | | Wed, Oct 28 | UA 1919 | United Airlines | 12:15 | 14:42 | 2h 27m | Boeing 737-800 | Showing all 7 scheduled IAH to CZM 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 IAH to CZM date on the interactive map ## Aircraft on the Houston to San Miguel de Cozumel 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 IAH to CZM nonstop schedule This page carries the full IAH to CZM 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 CZM nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAH to CZM on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to San Miguel de Cozumel nonstop Carriers operating IAH to CZM 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 CZM on the interactive map → ## Frequently asked questions about IAH to CZM **How long is the flight from Houston (IAH) to San Miguel de Cozumel (CZM)?** UA 1919 is scheduled at 2h 27m from Houston (IAH) to San Miguel de Cozumel (CZM) on every departure 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 IAH to CZM?** United Airlines is currently the only airline flying IAH to CZM nonstop. 2LNR doesn't show award or upgrade space for it on IAH to CZM, so this page carries the schedule rather than a space claim. **How many flights a week are there from IAH to CZM?** About 7 nonstop flights a week run between Houston (IAH) and San Miguel de Cozumel (CZM) 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 IAH to CZM depart?** In the next 7 days with service, every scheduled IAH to CZM nonstop leaves at 12:15 local time at Houston. The schedule table on this page lists each departure by date. **Which flights operate IAH to CZM nonstop?** United Airlines flies UA 1919 nonstop from Houston (IAH) to San Miguel de Cozumel (CZM), 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 CZM?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAH to CZM. The page carries the full IAH to CZM nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [CZM to IAH nonstop flights](https://2lnr.com/routes/czm-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 San Miguel de Cozumel (CZM)](https://2lnr.com/routes/czm.md). Nonstops from Houston (IAH) to other airports within 150 miles of San Miguel de Cozumel (CZM): - [Houston (IAH) to Cancun (CUN)](https://2lnr.com/routes/iah-cun.md), 36 miles from CZM - [Houston (IAH) to Tulum (TQO)](https://2lnr.com/routes/iah-tqo.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 IAH to CZM 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)