George Bush Intercontinental Airport is United Airlines country, and Terminal C is the heart of that operation — the terminal where most United mainline domestic flights at IAH check in, depart, and land. It is also, since January 2025, the terminal doing double duty: while United rebuilds Terminal B in a $2.5 billion transformation project, every Terminal B passenger currently checks in and clears security here before riding the Skyway over to their regional gates. This guide walks through Terminal C's two-concourse layout, the security checkpoints, where to eat, how the Skyway and Subway work from this terminal, and exactly where your Texas Shuttle driver meets you when you land.
Terminal C at a Glance
| What | Details |
|---|---|
| Airlines | United Airlines mainline domestic flights — plus check-in for all Terminal B passengers during the Terminal B rebuild |
| Gates | C1 through C45 (numbered with gaps) — the north concourse runs C1–C15, the south concourse runs C29–C45 |
| Security | North and South checkpoints; TSA PreCheck at both; CLEAR at the South checkpoint |
| United Club | Two locations — near Gate C1 (north) and near Gate C33 (south) |
| Trains | Skyway (airside, Level 3) to all five terminals; Subway (landside, lower level) between terminals and the airport Marriott |
| Opened | 1981 — the third terminal at IAH, also known as the Lewis W. Cutrer Terminal |
Terminal C sits in the middle-east stretch of IAH's terminal lineup, between Terminal B and the D/E complex. All departures and check-in happen on Level 2, arrivals and baggage claim on Level 1, and the Skyway platforms on Level 3 — the same vertical stacking every IAH terminal uses.
Two Concourses, Two Checkpoints: How Terminal C Is Organized
Terminal C is really two buildings in one:
- The north concourse (gates C1–C15) — a compact finger with its own security checkpoint at the north end. The United Club near Gate C1 is the newer of the terminal's two clubs, recently refreshed with a wellness room, family seating, and window views of the ramp.
- The south concourse (gates C29–C45) — the longer, busier pier. Its C33–C34 atrium is Terminal C's crossroads: the South checkpoint, a United Club near C33, the Skyway station, and the airside walkway toward Terminals D and E all converge here.
The gate numbering skips from the teens to the twenties because the two concourses were built in different eras — C1–C15 opened with the terminal in 1981, and the south pier came later. Practically, it means your gate number tells you which half of the terminal you are in: single- and low-teens gates sit north, twenty-nines and up sit south.
The Security Checkpoints (and Why Terminal C Lines Are Longest at 6 a.m.)
Terminal C runs two TSA checkpoints — North and South — and both offer TSA PreCheck; CLEAR operates at the South checkpoint. Terminal C handles the largest United domestic volume at IAH, and its checkpoints shoulder Terminal B's passengers too while that terminal's lobby and checkpoint are closed for reconstruction. Typical waits run 10–20 minutes through the midday lull (roughly 10 a.m. to 3 p.m.), but United's morning departure banks push standard-lane waits toward 30–45 minutes between 6 and 9 a.m. — the same pattern repeats in the 4–7 p.m. bank. If you fly out of C at dawn, treat the checkpoint as part of your arrival math, not an afterthought.
Eating and Drinking in Terminal C
Terminal C's dining leans local Houston, with a few Texas-sized standouts:
- El Premio Tex-Mex Bar & Grill (near gate C34) — an offshoot of Houston's beloved El Tiempo, serving fajitas, queso, and fresh-pressed tortillas.
- Agave Taqueria (gate C33) — fast-casual Tex-Mex with breakfast tacos in the morning window.
- Potbelly Sandwich Shop and Wendy's (gate C12) — the north concourse's reliable quick-service pair.
- Vida Taqueria (gate C6) and Olio (gate C14) — light, fast options for the low-teens gates.
- Forno Magico Neapolitan pizza and a Steak 'n Shake (gate C34) — right at the south atrium, handy if you are connecting through the C33–C34 hub.
- Southern Belle (gate C44) — a Southern-style bar and kitchen at the far end of the south pier.
- Starbucks — multiple outposts: gates C1, C10, and C33.
Timing tip: if your gate is at the far south end (C40–C45) and boarding is near, eat at the C33–C34 atrium rather than walking back — the round trip down the pier costs 10 minutes or more.
Getting Around: Skyway, Subway, and the Terminal B Detour
The Skyway (airside)
The Skyway is the elevated people mover that connects all five terminals inside security, with trains arriving about every two minutes. Terminal C's station sits at the south concourse near the C33–C34 atrium — up one level from the gates, with escalators and elevators right next to the United Club. Staying on the Skyway side means you never re-clear security when connecting between terminals.
The Subway (landside)
The Subway is the underground train on the public side — it links the ticketing/baggage levels of the terminals and the airport Marriott, and it predates the Skyway (it opened with the airport in 1981). Use it only when you are landside anyway: taking it mid-connection puts you back through security. The Subway stops running overnight, roughly 3:15 a.m. to 12:15 a.m. is its daily window.
The Terminal B detour — the quirk every United regional passenger needs to know
During the Terminal B transformation project, Terminal B's check-in lobby, TSA checkpoint, and baggage claim are closed. Every Terminal B passenger checks in and clears security at Terminal C, then rides the Skyway to the open B gates. If you are dropping someone off for a United Express regional flight, drop them at Terminal C — not at Terminal B's construction-wrapped curb. Arriving B passengers who want a rideshare should take the Skyway to Terminal C, where the ride-app zones sit.
Landing at Terminal C: Where Your Shuttle Meets You
Arriving passengers walk down from the gates to the Level 1 baggage claim hall, and all pre-arranged ground transportation — including your Texas Shuttle — meets you curbside on the arrivals level. Exit the baggage hall toward Door C-102 on the north side (the signed passenger pick-up door); your driver waits there. Taxis load at Door C-105 on the south side, and ride-app pickups use the C-103/C-104 doors — so do not follow the taxi signage unless you are hailing a cab.
- Collect your bags first. Pickup timing is built around baggage claim — claim your luggage before stepping to the curb.
- North side, Door C-102. Follow the "Ground Transportation" signs; the prearranged pickup point is right outside.
- Wait inside if Houston weather is ugly. Gulf Coast summers are steamy and storm cells pop up fast — stay in the air-conditioning until your driver texts that the vehicle is at the curb.
When do we arrive? For domestic flights we normally pick you up 30 minutes after your plane lands — enough time to deplane and claim bags. International arrivals get 45 minutes. No checked bags? Schedule your pickup 15 minutes after landing. And if your flight runs late, your pickup automatically shifts to 30 minutes after the new arrival time — just text us if your flight number changes so we track the right aircraft.
Getting to Terminal C by Car
Terminal C is reached off JFK Boulevard (from the Sam Houston Tollway/Beltway 8 or the Hardy Toll Road) or Will Clayton Parkway (from US-59/I-69). Follow the airport signage toward Terminal C once inside the loop — terminals run A through E west to east, and C is the middle stop of the domestic three. Drop-offs happen on the Departures level (Level 2); the airport's cell phone lots on Will Clayton Parkway give waiting drivers a free staging spot.
Two Houston-specific notes: the upper-level roadway backs up during the 4–7 p.m. arrival banks, and Terminal B's construction traffic makes the Terminal C curbside the smarter drop for United passengers of every stripe until the project wraps. If a friend is picking you up, point them at Door C-102 and the cell phone lot rather than the curb.
Connecting Through Terminal C: Quick Answers
How long does it take to walk between the north and south concourses?
From gate C1 to the far end near C45 is a solid walk — budget 10–15 minutes, or use the C33–C34 atrium as your midpoint landmark. If your gates are on opposite ends, eat and shop near whichever end your departure gate sits on.
Do I have to re-clear security to change terminals at IAH?
No — as long as you use the Skyway inside the secure area. Trains run about every two minutes across all five terminals. Only landside moves (Subway or walking outside) mean re-screening.
I'm connecting from a United Express flight in Terminal B — how do I get to Terminal C?
Stay airside. Board the Skyway at Terminal B and ride it to Terminal C — a couple of minutes, no security re-entry. The reverse works too: if you depart from a B gate, check in and screen at Terminal C first.
Where do I catch a shuttle after landing at Terminal C?
Level 1, out the north-side doors. After you claim your bags, exit toward Door C-102 and follow the Ground Transportation signs — your driver waits at the prearranged curb. Texas Shuttle monitors your flight, so a delay simply moves your pickup to 30 minutes after you actually land.
Is Terminal C the same as the international terminal?
No. Terminals D and E handle most international arrivals and customs processing (Terminal E hosts United's international bank). If you arrive internationally, you will clear customs at D/E — but United domestic connections often route you through Terminal C, so check your boarding pass for the onward gate.
Planning Your Ride to or from Terminal C
Terminal C is the terminal most of North Houston flies through — and it is the terminal our drivers know best, because so many of our routes end at its curb. From Humble, Kingwood, or Spring it is a straight shot up I-45 or the Hardy Toll Road; from The Woodlands, Cypress, or Katy we plan the toll-road math for you and target arrival two hours before a domestic departure. Book a Humble to IAH shuttle for the quick hop from the airport's backyard, or a Spring to IAH shuttle if you are farther up I-45. Landing late and heading toward Galveston? Our Galveston to IAH shuttle runs the reverse leg around the clock.
Want the wider airport picture — arrivals flow, customs, and pickup doors for every terminal? Read our IAH arrivals terminal guide, then dig into the neighbors: IAH Terminals A and B cover United Express and the non-United carriers. Flying out of DFW instead? Our DFW Terminal B guide is the sister to this one.
