Winston Salem to Houston (INT–IAH) — Airlines, Schedules & Connections

INT Airport Page →
972 mi airlines 3/wk
On-time Some delays Frequent delays
Flight Schedule 3 flights Verified 8h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
UA3890
UA United
320
10:15 AM
EDT
12:13 PM
CDT
2h 58m
M T W T F S S
Prices
UA3873
UA United
5:45 PM
EDT
7:45 PM
CDT
3h
M T W T F S S
Prices
UA3899
UA United
6:58 PM
EDT
8:55 PM
CDT
2h 57m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Winston Salem to Houston
1 carrier, 3 flights/week nonstop.
1 Airlines 3 Flights/wk 972 mi 2h 57m nonstop -1h behind 10 1-stop hubs

INT–IAH is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 972 miles in approximately 2h 57m. Beyond nonstop, 10 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop INT–IAH service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 3 320 2h57-3h Star Alliance
Aircraft on this route
320 Airbus A320 – UA
Alliance coverage
Star Alliance: UA (3 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, INT to IAH direction.
Mon
1
flight
Tue
1
flight
Wed
0
flights
Thu
0
flights
Fri
1
flight
Sat
0
flights
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
3
Outbound / wk
1
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for INT to IAH.
1-STOP
One-Stop Connections
10
Hubs
~5h
Fastest
~18h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
130
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
INT → IAH
78%
Generally reliable. Most flights run on time.
Arriving
78%
Return
IAH → INT
59%
Frequent delays expected. Consider flexible booking.
Departing
59%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAH delays →

Other ways to reach Houston from Winston Salem

Nearby airports with service to George Bush Intercontinental Airport.
Metric INT→IAH GSO→IAH CLT→IAH
Distance from INT 16 mi 75 mi
Nonstop airlines 1 1 4
Weekly flights 3 102
Flight time 2h 57m 2h 50m 2h 4m
Airports within 200 miles of INT with service to George Bush Intercontinental Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Houston is 1 hour behind Winston Salem.
INT: EDT · IAH: CDT

When it's 6:00 PM in Winston Salem, it's 5:00 PM in Houston.
Distance & Flight Time
972 mi / 1,564 km
Nonstop flight time is approximately 2h 57m to 3h 0m.
Getting from IAH

No direct rail from IAH. The METRO bus 102 (IAH Express) runs to downtown Houston's transit center (60–90 min, $1.25). Taxis to downtown Houston cost $50–70. Ride-hails pick up at the designated Rideshare zones outside baggage claim on the lower level.IAH has five terminals (A–E) connected by an underground tunnel with trams. Terminal D handles international arrivals. Rental car agencies are in a consolidated facility adjacent to Terminal C; a free IAH Connector bus runs between terminals and the rental car center. The Galleria / Uptown area costs $35–50 by ride-hail.

Houston Climate

Humid subtropical climate. Hot, humid, and wet for much of the year. Summers are brutal (33–38°C) with high humidity and near-daily afternoon thunderstorms. Severe storms with hail and high winds regularly cause ground stops from April through September. Houston's flooding risk is significant. Heavy rain events, including tropical system remnants, have flooded airport roads, cutting off surface access even when the airport itself remains operational.

Winters are mild (5–18°C) with occasional ice storms. These are rare but highly disruptive when they occur. Hurricane season (June–November) requires monitoring for Gulf storms. October through March has the best flying weather.

INT–IAH Quick Facts

Key statistics for the Winston Salem to Houston route.
Route details
Distance972 mi / 1,564 km
Flight time2h 57m to 3h
Time difference-1 hour
Airlines (nonstop)1
Weekly flights3 out / 1 return
1-stop connections10 hubs
Origin: INT
IATA / ICAOINT / KINT
TimezoneAmerica/Kentucky/Monticello
Elevation969 ft / 295 m
Destination: IAH
IATA / ICAOIAH / KIAH
TimezoneAmerica/Indiana/Tell_City
Passengers/yr46.7M
Elevation97 ft / 30 m

Frequently Asked Questions

Common questions about INT to IAH flights.
Nonstop flights from Smith Reynolds Airport to George Bush Intercontinental Airport take approximately 2h 57m to 3h. The route covers 972 miles.
1 airline operates nonstop service: United Airlines.
There are approximately 3 nonstop flights per week from INT to IAH. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through BNA, CHS, JAX, IAD, MCO, PBI, TEB, MIA, YUL and ORD. These options provide additional schedule flexibility.
Houston is 1 hour behind Winston Salem.
Yes, return flights from IAH to INT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include GSO, CLT and RDU. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from INT to IAH

Smith Reynolds Airport (INT) and George Bush Intercontinental Airport (IAH) are connected by nonstop service from United Airlines. With 3 weekly departures, this is a regularly served route.

INT to IAH Flight Duration and Schedule

Nonstop flight time from INT to IAH ranges from 2 hours 57 minutes to 3 hours 0 minutes. The route covers a distance of 972 miles (1,564 km). There are approximately 3 weekly flights outbound and 1 return, totaling 4 flights per week in both directions.

Connecting Options and Alternatives

10 one-stop connections are available, with the fastest taking approximately 5 hours via BNA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Greensboro (GSO), Charlotte (CLT) and Raleigh/Durham (RDU).