--- title: "Houston (IAH) to Calgary (YYC) flights: who flies it" description: "WestJet and United Airlines fly nonstop from IAH to YYC, about 19 flights a week, scheduled at 4h 20m to 4h 31m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iah-yyc" url: "https://2lnr.com/routes/iah-yyc.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to Calgary (IAH-YYC): nonstop flights and who flies them WestJet and United Airlines fly nonstop between Houston (IAH) and Calgary (YYC), roughly 19 times a week. The timetable below shows the nonstop scheduled at 4h 20m to 4h 31m for the 1,748 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See IAH to YYC on the interactive map [Get started free](https://2lnr.com/login) 19 Flights a week, 4-week average 4h 20m to 4h 31m Scheduled flight time 1,748 mi Nonstop distance Free To get started ## Houston to Calgary flight schedule Scheduled nonstop departures for IAH to YYC 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 Calgary (YYC) | Date | Flight | Airline | Departs IAH | Arrives YYC | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 564 | United Airlines | 09:30 | 12:54 | 4h 24m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Thu, Oct 22 | WS 1543 | WestJet | 14:50 | 18:10 | 4h 20m | [Boeing 737-800](https://2lnr.com/seatmaps/ws/737-800.md) | | Fri, Oct 23 | WS 1541 | WestJet | 06:30 | 09:50 | 4h 20m | 7S8 | | Fri, Oct 23 | UA 564 | United Airlines | 09:30 | 12:54 | 4h 24m | Boeing 737-800 | | Fri, Oct 23 | WS 1543 | WestJet | 14:50 | 18:10 | 4h 20m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ws/737-max-8.md) | | Sat, Oct 24 | UA 564 | United Airlines | 09:30 | 12:54 | 4h 24m | Boeing 737-800 | | Sat, Oct 24 | WS 1543 | WestJet | 14:50 | 18:10 | 4h 20m | 7S8 | | Sun, Oct 25 | UA 564 | United Airlines | 09:35 | 13:05 | 4h 30m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Sun, Oct 25 | WS 1543 | WestJet | 14:50 | 18:20 | 4h 30m | [Boeing 737-700](https://2lnr.com/seatmaps/ws/737-700.md) | | Mon, Oct 26 | UA 564 | United Airlines | 09:33 | 13:03 | 4h 30m | Boeing 737-800 | | Mon, Oct 26 | WS 1541 | WestJet | 13:35 | 17:06 | 4h 31m | Boeing 737-700 | | Mon, Oct 26 | WS 1543 | WestJet | 14:50 | 18:20 | 4h 30m | Boeing 737 MAX 8 | | Tue, Oct 27 | WS 1541 | WestJet | 08:00 | 11:30 | 4h 30m | Boeing 737-700 | | Tue, Oct 27 | UA 564 | United Airlines | 09:33 | 13:03 | 4h 30m | Boeing 737-800 | | Tue, Oct 27 | WS 1543 | WestJet | 18:20 | 21:51 | 4h 31m | Boeing 737-700 | | Wed, Oct 28 | UA 564 | United Airlines | 09:33 | 13:03 | 4h 30m | Boeing 737-800 | | Wed, Oct 28 | WS 1541 | WestJet | 13:35 | 17:06 | 4h 31m | Boeing 737-700 | | Wed, Oct 28 | WS 1543 | WestJet | 18:20 | 21:51 | 4h 31m | Boeing 737-700 | Showing all 18 scheduled IAH to YYC 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 YYC date on the interactive map ## Aircraft on the Houston to Calgary nonstop In the schedule table on this page, WestJet flies the [Boeing 737-700](https://2lnr.com/seatmaps/ws/737-700.md), the Boeing 737, the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ws/737-max-8.md), and the [Boeing 737-800](https://2lnr.com/seatmaps/ws/737-800.md), and United Airlines flies the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) and the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full IAH to YYC nonstop schedule This page carries the full IAH to YYC 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 YYC nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAH to YYC on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to Calgary nonstop Carriers operating IAH to YYC nonstop in the current schedule. - [WestJet (WS) route map](https://2lnr.com/routes/airlines/ws.md)\ [The aircraft WS flies](https://2lnr.com/seatmaps/ws.md) - [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 YYC on the interactive map → ## Frequently asked questions about IAH to YYC **How long is the flight from Houston (IAH) to Calgary (YYC)?** Scheduled flight times from Houston (IAH) to Calgary (YYC) run from 4h 20m to 4h 31m across the departures in the schedule table on this page. The nonstop covers about 1,748 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAH to YYC?** WestJet and United Airlines fly IAH to YYC nonstop. 2LNR doesn't show award or upgrade space for any of them on IAH to YYC, so this page carries the schedule rather than a space claim. **How many flights a week are there from IAH to YYC?** About 19 nonstop flights a week run between Houston (IAH) and Calgary (YYC) in the current schedule, operated by WestJet and 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 YYC depart?** Scheduled IAH to YYC nonstops in the next 7 days with service leave between 06:30 and 18:20, local time at Houston. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate IAH to YYC nonstop?** In the schedule table on this page, IAH to YYC nonstops fly as WS 1541 and WS 1543 on WestJet, and UA 564 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on IAH to YYC?** Not on this route: 2LNR doesn't show award or upgrade space for any airline flying IAH to YYC. The page carries the full IAH to YYC nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [YYC to IAH nonstop flights](https://2lnr.com/routes/yyc-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 Calgary (YYC)](https://2lnr.com/routes/yyc.md). Nonstops to Calgary (YYC) from other airports within 150 miles of Houston (IAH): - [Austin (AUS) to Calgary (YYC)](https://2lnr.com/routes/aus-yyc.md), 140 miles from IAH 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 YYC 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)