JetSetAuthority

Route · United States and Canada

DFW Dallas–Fort Worth ⇄ IAH Houston

Dallas Fort Worth International Airport (United States) and George Bush Intercontinental Airport (United States): great-circle distance, estimated scheduled flight time each way, time difference and jet lag.

Distance362 km225 mi195 nautical miles
DFW → IAH1 h 25 minestimated block time
IAH → DFW1 h 30 minestimated block time
Clock change±0 hHouston vs Dallas–Fort Worth, today
Great-circle route from Dallas–Fort Worth (DFW) to Houston (IAH)DFWDallas–Fort WorthIAHHouston
The shortest path over the Earth’s surface (great circle), drawn on a Natural Earth projection. Real flight paths bend around weather, winds and closed airspace.

Flight time each way

DFW → IAH

1 h 25 min

Estimated gate-to-gate scheduled time. Initial heading 153° (SSE).

Leave Dallas–Fort Worth Sat 7 Nov, 10:00 local → arrive Houston Sat 7 Nov, 11:25 local.

IAH → DFW

1 h 30 min

Estimated gate-to-gate scheduled time. Initial heading 334° (NNW).

Leave Houston Sat 7 Nov, 10:00 local → arrive Dallas–Fort Worth Sat 7 Nov, 11:30 local.

The two directions differ by 2 minutes in our estimate: this route runs mostly north–south, so the prevailing westerly winds make little difference. How we estimate it.

Distance

Great-circle distance362 km · 225 mi · 195 nmi
Initial heading153° (SSE) from DFW; 334° (NNW) from IAH
Farthest from the equator32.9°N
Crossesneither the equator nor the 180th meridian
Share of the longest possible trip2% of the 20,015 km to the far side of the Earth

Time zones and jet lag

DFWAmerica/Chicago — UTC−5 now; UTC−6 standard time, UTC−5 during daylight saving time
IAHAmerica/Chicago — UTC−5 now; UTC−6 standard time, UTC−5 during daylight saving time
DifferenceHouston is on the same clock as Dallas–Fort Worth today.

Jet lag, flying DFW → IAH. No time-zone change, so no jet lag from the clock — only the usual tiredness of travel.

General information, not medical advice.

The two airports

DFW Dallas Fort Worth International AirportDallas–Fort Worth, United States · longest runway 13,401 ft4,085 m IAH George Bush Intercontinental AirportHouston, United States · longest runway 12,001 ft3,658 m

More routes from DFW and IAH

DFWDEN Dallas–Fort Worth – Denver 1,032 km641 mi · 2 h 20 min DFWCUN Dallas–Fort Worth – Cancún 1,657 km1,030 mi · 2 h 50 min DFWMIA Dallas–Fort Worth – Miami 1,802 km1,120 mi · 2 h 55 min DFWLHR Dallas–Fort Worth – London 7,627 km4,739 mi · 9 h 05 min DFWHND Dallas–Fort Worth – Tokyo 10,378 km6,448 mi · 13 h 50 min DFWMEL Dallas–Fort Worth – Melbourne 14,475 km8,995 mi · 18 h 15 min IAHMEX Houston – Mexico City 1,232 km765 mi · 2 h 30 min IAHCUN Houston – Cancún 1,307 km812 mi · 2 h 30 min IAHORD Houston – Chicago 1,491 km926 mi · 2 h 40 min IAHLHR Houston – London 7,763 km4,824 mi · 9 h 15 min IAHFRA Houston – Frankfurt 8,402 km5,221 mi · 9 h 55 min IAHSYD Houston – Sydney 13,836 km8,597 mi · 17 h 25 min

Routes of a similar length

ATLCLT Atlanta – Charlotte 365 km227 mi · 1 h 25 min ISTADB Istanbul – Izmir 358 km222 mi · 1 h 30 min CGHSDU São Paulo – Rio de Janeiro 365 km227 mi · 1 h 25 min LHRAMS London – Amsterdam 370 km230 mi · 1 h 25 min

Need a different pair? The flight-time calculator works for any two of 3,245 airports. Not covered: which airlines fly this route, schedules, fares and live status — that data is proprietary and we don’t guess it.

Photos on airport pages are credited there. Estimates are rounded to 5 minutes; typical error about 13 minutes (validation).