--- title: "San Juan (SJU) to Houston (IAH) flights: who flies it" description: "United Airlines and Frontier Airlines fly nonstop from SJU to IAH, about 14 flights a week, scheduled at 5h 6m to 6h 10m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/sju-iah" url: "https://2lnr.com/routes/sju-iah.md" date_modified: "2026-10-25T05:37:10Z" --- # San Juan to Houston (SJU-IAH): nonstop flights and who flies them United Airlines and Frontier Airlines fly nonstop between San Juan (SJU) and Houston (IAH), roughly 14 times a week. The timetable below shows the nonstop scheduled at 5h 6m to 6h 10m for the 2,005 miles. Schedule last confirmed October 25, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 29, 2026. See SJU to IAH on the interactive map [Get started free](https://2lnr.com/login) 14 Flights a week, 4-week average 5h 6m to 6h 10m Scheduled flight time 2,005 mi Nonstop distance Free To get started ## San Juan to Houston flight schedule Scheduled nonstop departures for SJU to IAH starting October 28, 2026, last checked against our schedule feed on October 25, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from San Juan (SJU) to Houston (IAH) | Date | Flight | Airline | Departs SJU | Arrives IAH | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Wed, Oct 28 | UA 1644 | United Airlines | 06:40 | 10:46 | 5h 6m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Wed, Oct 28 | UA 668 | United Airlines | 14:46 | 18:56 | 5h 10m | Boeing 737 MAX 9 | | Thu, Oct 29 | UA 1644 | United Airlines | 06:40 | 10:46 | 5h 6m | Boeing 737 MAX 9 | | Thu, Oct 29 | UA 668 | United Airlines | 14:46 | 18:56 | 5h 10m | Boeing 737 MAX 9 | | Fri, Oct 30 | UA 1644 | United Airlines | 06:40 | 10:46 | 5h 6m | Boeing 737 MAX 9 | | Fri, Oct 30 | UA 668 | United Airlines | 14:46 | 18:56 | 5h 10m | Boeing 737 MAX 9 | | Sat, Oct 31 | UA 1644 | United Airlines | 06:40 | 10:46 | 5h 6m | Boeing 737 MAX 9 | | Sat, Oct 31 | UA 668 | United Airlines | 14:46 | 18:56 | 5h 10m | Boeing 737 MAX 9 | | Sun, Nov 1 | UA 1644 | United Airlines | 06:40 | 10:46 | 6h 6m | Boeing 737 MAX 9 | | Sun, Nov 1 | UA 668 | United Airlines | 14:46 | 18:56 | 6h 10m | Boeing 737 MAX 9 | | Mon, Nov 2 | UA 1644 | United Airlines | 06:40 | 10:46 | 6h 6m | Boeing 737 MAX 9 | | Mon, Nov 2 | UA 668 | United Airlines | 14:46 | 18:56 | 6h 10m | Boeing 737 MAX 9 | | Tue, Nov 3 | UA 1644 | United Airlines | 06:40 | 10:46 | 6h 6m | Boeing 737 MAX 9 | | Tue, Nov 3 | UA 668 | United Airlines | 14:46 | 18:56 | 6h 10m | Boeing 737 MAX 9 | Showing all 14 scheduled SJU to IAH departures across 7 days with service, starting October 28, 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 SJU to IAH date on the interactive map ## Aircraft on the San Juan to Houston nonstop United Airlines flies the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.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 SJU to IAH nonstop schedule This page carries the full SJU 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 SJU to IAH nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See SJU to IAH on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying San Juan to Houston nonstop Carriers operating SJU 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) - [Frontier Airlines (F9) route map](https://2lnr.com/routes/airlines/f9.md)\ [The aircraft F9 flies](https://2lnr.com/seatmaps/f9.md) See SJU to IAH on the interactive map → ## Frequently asked questions about SJU to IAH **How long is the flight from San Juan (SJU) to Houston (IAH)?** Scheduled flight times from San Juan (SJU) to Houston (IAH) run from 5h 6m to 6h 10m across the departures in the schedule table on this page. The nonstop covers about 2,005 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SJU to IAH?** United Airlines and Frontier Airlines fly SJU to IAH nonstop. 2LNR doesn't show award or upgrade space for any of them on SJU to IAH, so this page carries the schedule rather than a space claim. **How many flights a week are there from SJU to IAH?** About 14 nonstop flights a week run between San Juan (SJU) and Houston (IAH) in the current schedule, operated by United Airlines and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from SJU to IAH depart?** Scheduled SJU to IAH nonstops in the next 7 days with service leave between 06:40 and 14:46, local time at San Juan. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SJU to IAH nonstop?** In the schedule table on this page, SJU to IAH nonstops fly as UA 668 and UA 1644 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on SJU to IAH?** Not on this route: 2LNR doesn't show award or upgrade space for any airline flying SJU to IAH. The page carries the full SJU to IAH nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [IAH to SJU nonstop flights](https://2lnr.com/routes/iah-sju.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 Juan (SJU)](https://2lnr.com/routes/sju.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 Juan (SJU): - [Charlotte Amalie (STT) to Houston (IAH)](https://2lnr.com/routes/stt-iah.md), 68 miles from SJU 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 SJU 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)