Houston to Baltimore (IAH–BWI) — Airlines, Schedules & Connections

IAH Airport Page →
1,234 mi airlines 37/wk
On-time Some delays Frequent delays
Flight Schedule 14 flights Verified 11h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
NK1245
NK Spirit
320
5:20 AM
CDT TA
9:14 AM
EDT
2h 54m
M T W T F S S
Prices
UA604
UA United
B38M
7:30 AM
CDT TE
11:30 AM
EDT
3h
M T W T F S S
Prices
UA1720
UA United
739
12:17 PM
CDT TC
4:24 PM
EDT
3h 7m
M T W T F S S
Prices
UA8120
UA United
1:12 PM
CDT
4:44 PM
EDT
2h 32m
M T W T F S S
Prices
F93068
F9 Frontier
32N
4:53 PM
CDT TD
9:05 PM
EDT
3h 12m
M T W T F S S
Prices
UA2682
UA United
739
6:29 PM
CDT TD
10:30 PM
EDT
3h 1m
M T W T F S S
Prices
UA1898
UA United
739
6:05 AM
EDT
8:48 AM
CDT
3h 43m
M T W T F S S
Prices
UA204
UA United
739
8:10 AM
EDT
10:42 AM
CDT
3h 32m
M T W T F S S
Prices
UA2194
UA United
7M8
12:40 PM
EDT
3:18 PM
CDT
3h 38m
M T W T F S S
Prices
UA1362
UA United
739
5:13 PM
EDT
7:42 PM
CDT
3h 29m
M T W T F S S
Prices
UA2095
UA United
739
5:50 PM
EDT
8:13 PM
CDT
3h 23m
M T W T F S S
Prices
NK1244
NK Spirit
320
7:40 PM
EDT
10:00 PM
CDT
3h 20m
M T W T F S S
Prices
F93067
F9 Frontier
32N
9:50 PM
EDT
12:30 AM+1
CDT
3h 40m
M T W T F S S
Prices
NK8845
NK Spirit
11:08 PM
EDT
1:26 AM+1
CDT
3h 18m
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 Baltimore
3 carriers, 37 flights/week nonstop.
3 Airlines 37 Flights/wk 1,234 mi 2h 28m nonstop +1h ahead 87 1-stop hubs

IAH–BWI is served by 3 airlines with nonstop service. United Airlines, Frontier and Spirit Airlines lead the route. The flight covers 1,234 miles in approximately 2h 28m. Beyond nonstop, 87 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop IAH–BWI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 21 739, B38M 2h32-3h07 79% Star Alliance
F9 Frontier 7 32N 3h12 79%
NK Spirit Airlines 7 320 2h54 79%
Aircraft on this route
320 Airbus A320 – NK
32N Airbus A320neo – F9
739 Boeing 737-900 – UA
B38MUA
Alliance coverage
Star Alliance: UA (21 flights/wk, 60%)
Unaffiliated: F9 + NK (14 flights/wk, 40%)
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 BWI direction.
Mon
6
flights
Tue
5
flights
Wed
5
flights
Thu
5
flights
Fri
5
flights
Sat
5
flights
Sun
4
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
6
Nonstop flights
37
Outbound / wk
49
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAH to BWI.
1-STOP
One-Stop Connections
87
Hubs
~4h
Fastest
~37h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
3,974
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 → BWI
79%
Generally reliable. Most flights run on time.
Departing
79%
Arriving
50%
Return
BWI → IAH
80%
Generally reliable. Most flights run on time.
Departing
80%
Arriving
50%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAH delays → BWI delays →

Other ways to reach Baltimore from Houston

Nearby airports with service to Baltimore/Washington International Thurgood Marshall Airport.
Metric IAH→BWI HOU→BWI AUS→BWI
Distance from IAH 24 mi 140 mi
Nonstop airlines 3 2 1
Weekly flights 37 57 49
Flight time 2h 28m 2h 30m 2h
Departure OTP 79%
Airports within 200 miles of IAH with service to Baltimore/Washington International Thurgood Marshall Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Baltimore is 1 hour ahead of Houston.
IAH: CDT · BWI: EDT

When it's 6:00 PM in Houston, it's 7:00 PM in Baltimore.
Distance & Flight Time
1,234 mi / 1,986 km
Nonstop flight time is approximately 2h 28m to 3h 12m.
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–BWI Quick Facts

Key statistics for the Houston to Baltimore route.
Route details
Distance1,234 mi / 1,986 km
Flight time2h 28m to 3h 12m
Time difference+1 hour
Airlines (nonstop)3
Weekly flights37 out / 49 return
1-stop connections87 hubs
Origin: IAH
IATA / ICAOIAH / KIAH
TimezoneAmerica/Indiana/Tell_City
Passengers/yr46.7M
Elevation97 ft / 30 m
Destination: BWI
IATA / ICAOBWI / KBWI
TimezoneAmerica/New_York
Passengers/yr26.4M
Elevation146 ft / 45 m

Frequently Asked Questions

Common questions about IAH to BWI flights.
Nonstop flights from George Bush Intercontinental Airport to Baltimore/Washington International Thurgood Marshall Airport take approximately 2h 28m to 3h 12m. The route covers 1,234 miles.
3 airlines operate nonstop service: Frontier, Spirit Airlines and United Airlines.
There are approximately 37 nonstop flights per week from IAH to BWI. The return direction has about 49 weekly flights.
Yes, 1-stop connections are available through DET, CAK, LUK, IAD, JAN, APF, DCA, DAL, DSM, EWR, YUL, EYW, ALB, ASE, BZN, MBJ, PLS, SBD, SNA, BFI, SJC, AUA, PUJ, ONT, RDU, RIC, ECP, KEF, TYS, SLC, ORD, MCO, BNA, MCI, BZE, STL, CVG, JAX, PIT, SAT, AUS, PIK, ATL, SMF, DEN, MSY, CLE, DTW, LIR, CLT, RSW, MIA, TPA, PBI, IND, FLL, GSP, SAV, BOS, MKE, ORF, BHM, DFW, PHX, SRQ, MSP, SFO, CUN, CMH, MDW, LAX, SDF, GRR, MEM, ABQ, SJU, CHS, LAS, SEA, SAN, SJO, LHR, PTY, GCM, NAS, STT and PHL. These options provide additional schedule flexibility.
Baltimore is 1 hour ahead of Houston.
Yes, return flights from BWI to IAH are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include HOU, AUS and GRK. 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 BWI

George Bush Intercontinental Airport (IAH) and Baltimore/Washington International Thurgood Marshall Airport (BWI) are connected by nonstop service from Frontier, Spirit Airlines and United Airlines. With 37 weekly departures, this is a heavily served route.

IAH to BWI Flight Duration and Schedule

Nonstop flight time from IAH to BWI ranges from 2 hours 28 minutes to 3 hours 12 minutes. The route covers a distance of 1,234 miles (1,986 km). There are approximately 37 weekly flights outbound and 49 return, totaling 86 flights per week in both directions.

Connecting Options and Alternatives

87 one-stop connections are available, with the fastest taking approximately 4 hours via DET. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (HOU), Austin (AUS) and Fort Cavazos (GRK).