Houston (IAH) to Calgary (YYC)
Flight time
≈ 4h 18m
Bearing
332° NW
Houston (IAH) to Calgary (YYC) is 1,748 miles (2,813 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–YYC
Filed traffic dataIn July 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop IAH–YYC; the Airbus A319 was the most common aircraft at 46% of departures; flights ran 89% full.
Departures
238
July 2026
Seats
33,798
both directions
Passengers
29,929
both directions
Load factor
88.5%
RPM ÷ ASM
Who flies IAH–YYC?
United Airlines operated the most nonstop IAH–YYC departures in July 2026 (122), one of 2 carriers on the route.
- UA
122 departures · 15,660 seats
Share of departures51.3%90.7%
Load
- WS
WestJet
116 departures · 18,138 seats
Share of departures48.7%86.7%
Load
What plane flies IAH–YYC?
In July 2026, the Airbus A319 flew 46% of IAH–YYC departures — more than any other aircraft type.
- Airbus A319
110 departures · 92.1% load
46.2% - Boeing 737-700
53 departures · 86.6% load
22.3% - Boeing 737 MAX 8
42 departures · 87.8% load
17.6% - Boeing 737-800
21 departures · 84.9% load
8.8% - Airbus A320
12 departures · 79.2% load
5.0%
How has IAH–YYC traffic changed?
Nonstop IAH–YYC departures rose from 223 in August 2025 to 238 in July 2026.
Monthly nonstop IAH–YYC traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
223 departures · 26,582 passengers
84.6%
Load
September 2025
160 departures · 20,266 passengers
82.2%
Load
October 2025
151 departures · 20,491 passengers
89.8%
Load
November 2025
150 departures · 19,530 passengers
85.9%
Load
December 2025
150 departures · 20,327 passengers
89.6%
Load
January 2026
140 departures · 18,942 passengers
87.2%
Load
February 2026
130 departures · 18,436 passengers
92.2%
Load
March 2026
149 departures · 19,937 passengers
88.1%
Load
April 2026
141 departures · 17,657 passengers
84.2%
Load
May 2026
179 departures · 20,910 passengers
80.2%
Load
June 2026
236 departures · 29,234 passengers
86.5%
Load
July 2026
238 departures · 29,929 passengers
88.5%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → YYC
87.4% full
119 departures · 14,755 passengers
YYC → IAH
89.7% full
119 departures · 15,174 passengers
Nonstop IAH–YYC traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Calgary
CA
Calgary International Airport
Coordinates
51.12°N, 114.01°W
Hemisphere
N · W
Frequently asked
How far is Houston (IAH) from Calgary (YYC)?
IAH to YYC is 1,748 miles (2,813 km / 1,519 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to YYC?
A nonstop covers the 1,748-mile great-circle distance in roughly 4h 18m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–YYC?
In July 2026, the Airbus A319 flew the largest share of departures (46.2%), followed by the Boeing 737-700 (22.3%).
What mileage do I earn flying IAH–YYC?
Distance-based programs credit off the 1,748-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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