Houston to Calgary (IAH–YYC) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
IAH–YYC is served by 2 airlines with nonstop service. United Airlines and WestJet lead the route. The flight covers 1,748 miles in approximately 4h 20m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AV | 14 | 319 | 4h15-4h25 | Star Alliance | AV | |
| WS WestJet Also: AM, DE | 14 | 73W | 4h20 | – | AM, DE |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Calgary from Houston
| Metric | IAH→YYC | HOU→YYC | AUS→YYC |
|---|---|---|---|
| Distance from IAH | – | 24 mi | 140 mi |
| Nonstop airlines | 2 | 2 | 5 |
| Weekly flights | 46 | – | 2 |
| Flight time | 4h 20m | 4h 7m | 4h 10m |
| Departure OTP | 79% | – | – |
Travel Essentials
IAH: CDT · YYC: MDT
When it's 6:00 PM in Houston, it's 5:00 PM in Calgary.
US passport holders enter Canada without a visa for stays up to 6 months. No eTA is needed when arriving by air with a US passport. Passport must be valid for the duration of the stay. A return or onward ticket and proof of funds may be requested at the border.
IAH has no direct rail link to downtown Houston. The IAH Express bus runs from Houston Amtrak/Greyhound station via Park & Ride to Terminal C (60–90 min, $1.25 with METRO Q card). This is the only transit option; Houston's rail network does not reach the airport.Taxis from downtown Houston cost $50–70 and take 40–60 minutes. Ride-hails (Uber, Lyft) are typically $35–55. IAH sits 23 miles north of downtown on the North Freeway (I-45); traffic is heavy during morning and evening rush. Remote economy parking lots serve all terminals via shuttle.
IAH–YYC Quick Facts
Frequently Asked Questions
Flights from IAH to YYC
George Bush Intercontinental Airport (IAH) and Calgary International Airport (YYC) are connected by nonstop service from United Airlines and WestJet. With 46 weekly departures, this is a heavily served route.
IAH to YYC Flight Duration and Schedule
Nonstop flight time from IAH to YYC is about 4 hours 20 minutes gate to gate. The route covers a distance of 1,748 miles (2,813 km). There are approximately 46 weekly flights outbound and 36 return, totaling 82 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Denver, Dallas Fort Worth and Minneapolis–Saint Paul. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (HOU) and Austin (AUS).