Houston to Knoxville/Maryville (IAH–TYS) — Airlines, Schedules & Connections

IAH Airport Page →
771 mi airlines 35/wk
On-time Some delays Frequent delays
Flight Schedule 11 flights Verified 11h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
UA4887
UA United
E145
10:30 AM
CDT TB
1:46 PM
EDT
2h 16m
M T W T F S S
Prices
UA4890
UA United
ERJ
3:52 PM
CDT TB
6:40 PM
EDT
1h 48m
M T W T F S S
Prices
UA4900
UA United
E145
4:40 PM
CDT TB
7:55 PM
EDT
2h 15m
M T W T F S S
Prices
UA4017
UA United
E7W
4:40 PM
CDT TB
7:56 PM
EDT
2h 16m
M T W T F S S
Prices
UA4810
UA United
E145
8:25 PM
CDT TB
11:44 PM
EDT
2h 19m
M T W T F S S
Prices
UA4913
UA United
ERJ
7:05 AM
EDT
8:50 AM
CDT
2h 45m
M T W T F S S
Prices
UA4251
UA United
ERJ
9:00 AM
EDT
10:45 AM
CDT
2h 45m
M T W T F S S
Prices
UA4038
UA United
E7W
9:00 AM
EDT
10:37 AM
CDT
2h 37m
M T W T F S S
Prices
UA4811
UA United
ERJ
9:00 AM
EDT
10:41 AM
CDT
2h 41m
M T W T F S S
Prices
UA4302
UA United
ERJ
5:19 PM
EDT
7:34 PM
CDT
3h 15m
M T W T F S S
Prices
UA4854
UA United
E145
6:59 PM
EDT
8:34 PM
CDT
2h 35m
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...
Houston to Knoxville/Maryville
1 carrier, 35 flights/week nonstop.
1 Airlines 35 Flights/wk 771 mi 1h 48m nonstop +1h ahead 43 1-stop hubs

IAH–TYS is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 771 miles in approximately 1h 48m. Beyond nonstop, 43 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop IAH–TYS service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 35 E145, E7W, ERJ 1h48-2h19 75% Star Alliance
Aircraft on this route
E145 Embraer ERJ-145 – UA
E7W Embraer E175 – UA
ERJ Embraer ERJ-135/140/145 – UA
Alliance coverage
Star Alliance: UA (35 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, IAH to TYS direction.
Mon
5
flights
Tue
5
flights
Wed
5
flights
Thu
5
flights
Fri
5
flights
Sat
5
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
5
Nonstop flights
35
Outbound / wk
36
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAH to TYS.
1-STOP
One-Stop Connections
43
Hubs
~3h
Fastest
~24h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,133
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
IAH → TYS
75%
Generally reliable. Most flights run on time.
Departing
75%
Arriving
0%
Return
TYS → IAH
75%
Generally reliable. Most flights run on time.
Departing
75%
Arriving
67%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAH delays → TYS delays →

Other ways to reach Knoxville/Maryville from Houston

Nearby airports with service to McGhee Tyson Airport.
Metric IAH→TYS CLL→TYS
Distance from IAH 74 mi
Nonstop airlines 1 1
Weekly flights 35
Flight time 1h 48m 1h 56m
Departure OTP 75%
Airports within 200 miles of IAH with service to McGhee Tyson Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Knoxville/Maryville is 1 hour ahead of Houston.
IAH: CDT · TYS: EDT

When it's 6:00 PM in Houston, it's 7:00 PM in Knoxville/Maryville.
Distance & Flight Time
771 mi / 1,241 km
Nonstop flight time is approximately 1h 48m to 2h 19m.
Getting to IAH

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–TYS Quick Facts

Key statistics for the Houston to Knoxville/Maryville route.
Route details
Distance771 mi / 1,241 km
Flight time1h 48m to 2h 19m
Time difference+1 hour
Airlines (nonstop)1
Weekly flights35 out / 36 return
1-stop connections43 hubs
Origin: IAH
IATA / ICAOIAH / KIAH
TimezoneAmerica/Indiana/Tell_City
Passengers/yr46.7M
Elevation97 ft / 30 m
Destination: TYS
IATA / ICAOTYS / KTYS
TimezoneAmerica/Kentucky/Monticello
Passengers/yr3.3M
Elevation981 ft / 299 m

Frequently Asked Questions

Common questions about IAH to TYS flights.
Nonstop flights from George Bush Intercontinental Airport to McGhee Tyson Airport take approximately 1h 48m to 2h 19m. The route covers 771 miles.
1 airline operates nonstop service: United Airlines.
There are approximately 35 nonstop flights per week from IAH to TYS. The return direction has about 36 weekly flights.
Yes, 1-stop connections are available through SAT, LUK, SHV, ECP, PNS, CMH, SFB, DAL, TUL, CLE, PBI, APA, NAS, BZE, BUR, SJO, STT, SFO, SMF, PDX, MSP, JAX, MIA, BWI, CLT, DFW, DEN, BNA, ORD, FLL, IAD, SRQ, PHL, ATL, LGA, DCA, MCO, EWR, BOS, PHX, DTW, EYW and LAS. These options provide additional schedule flexibility.
Knoxville/Maryville is 1 hour ahead of Houston.
Yes, return flights from TYS to IAH are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include CLL. 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 IAH to TYS

George Bush Intercontinental Airport (IAH) and McGhee Tyson Airport (TYS) are connected by nonstop service from United Airlines. With 35 weekly departures, this is a heavily served route.

IAH to TYS Flight Duration and Schedule

Nonstop flight time from IAH to TYS ranges from 1 hours 48 minutes to 2 hours 19 minutes. The route covers a distance of 771 miles (1,241 km). There are approximately 35 weekly flights outbound and 36 return, totaling 71 flights per week in both directions.

Connecting Options and Alternatives

43 one-stop connections are available, with the fastest taking approximately 3 hours via SAT. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include College Station (CLL).