--- title: "Houston (IAH) to Cartagena (CTG) flights: who flies it" description: "United Airlines flies Houston (IAH) to Cartagena (CTG) nonstop about 4 times a week as UA 577, scheduled at 4h 15m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iah-ctg" url: "https://2lnr.com/routes/iah-ctg.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to Cartagena (IAH-CTG): nonstop flights and who flies them United Airlines flies the IAH to CTG nonstop about 4 times a week. In the timetable below it flies as UA 577, scheduled at 4h 15m for the 1,857 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 24, 2026. See IAH to CTG on the interactive map [Get started free](https://2lnr.com/login) 4 Flights a week, 4-week average 4h 15m Scheduled flight time 1,857 mi Nonstop distance Free To get started ## Houston to Cartagena flight schedule Scheduled nonstop departures for IAH to CTG starting October 23, 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 Cartagena (CTG) | Date | Flight | Airline | Departs IAH | Arrives CTG | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Dec 17 | UA 577 | United Airlines | 09:35 | 14:50 | 4h 15m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Sat, Dec 19 | UA 577 | United Airlines | 09:35 | 14:50 | 4h 15m | Boeing 737 MAX 8 | | Sun, Dec 20 | UA 577 | United Airlines | 09:35 | 14:50 | 4h 15m | Boeing 737 MAX 8 | | Tue, Dec 22 | UA 577 | United Airlines | 09:35 | 14:50 | 4h 15m | Boeing 737 MAX 8 | | Thu, Dec 24 | UA 577 | United Airlines | 09:35 | 14:50 | 4h 15m | Boeing 737 MAX 8 | | Sat, Dec 26 | UA 577 | United Airlines | 09:35 | 14:50 | 4h 15m | Boeing 737 MAX 8 | | Sun, Dec 27 | UA 577 | United Airlines | 09:35 | 14:50 | 4h 15m | Boeing 737 MAX 8 | Showing all 7 scheduled IAH to CTG departures across 7 days with service, starting October 23, 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 CTG date on the interactive map ## Aircraft on the Houston to Cartagena nonstop United Airlines flies the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.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 CTG nonstop schedule This page carries the full IAH to CTG 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 CTG nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAH to CTG on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to Cartagena nonstop Carriers operating IAH to CTG 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 CTG on the interactive map → ## Frequently asked questions about IAH to CTG **How long is the flight from Houston (IAH) to Cartagena (CTG)?** UA 577 is scheduled at 4h 15m from Houston (IAH) to Cartagena (CTG) on every departure in the schedule table on this page. The nonstop covers about 1,857 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAH to CTG?** United Airlines is currently the only airline flying IAH to CTG nonstop. 2LNR doesn't show award or upgrade space for it on IAH to CTG, so this page carries the schedule rather than a space claim. **How many flights a week are there from IAH to CTG?** About 4 nonstop flights a week run between Houston (IAH) and Cartagena (CTG) 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 CTG depart?** In the next 7 days with service, every scheduled IAH to CTG nonstop leaves at 09:35 local time at Houston. The schedule table on this page lists each departure by date. **Which flights operate IAH to CTG nonstop?** United Airlines flies UA 577 nonstop from Houston (IAH) to Cartagena (CTG), 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 CTG?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAH to CTG. The page carries the full IAH to CTG nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [CTG to IAH nonstop flights](https://2lnr.com/routes/ctg-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 Cartagena (CTG)](https://2lnr.com/routes/ctg.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full IAH to CTG 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)