Flights Charleston → Houston
CHS → IAH
How long is the flight from Charleston to Houston?
The flight from Charleston (CHS) to Houston (IAH) takes about 2h 17m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route overview
This flight route connects Charleston with Houston, featuring an on-time performance rate of 81%, with average delays of approximately 21 minutes. Over the past year, there have been a total of 176 flights on this route, departing from Charleston's historic airport which opened in 1941 and arriving at one of the busiest airports in the United States, serving nearly 40 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Charleston (CHS) → Houston (IAH) route is operated by United Airlines. Across 401 flights monitored in recent months, 83% arrived on time (within 15 min of schedule), with an average delay of 16 minutes. The cancellation rate is 1.75%. FlightGuard's average computed risk is 21.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Charleston the average ATFM delay is 5.5 minutes.
Heading to Houston: what to expect in this direction
Flying from Charleston (CHS) to Houston (IAH) heads west for about 1,486 km, a flight time of roughly 2h 17m.
Departures from Charleston on this leg cluster in the midday window: about 52% of CHS-IAH flights take off then.
Air-traffic congestion: departing Charleston the average ATFM delay is 5.5 min (atfm); arriving into Houston it is 5.5 min (atfm).
Across 401 tracked CHS-IAH flights, 83% left on time with an average delay of 16 min and a 1.8% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 83% | 5 min | 1.3% |
Airlines operating CHS-IAH
Airports
Frequently asked questions about CHS-IAH
The flight from Charleston (CHS) to Houston (IAH) takes about 2h 17m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
On the Charleston (CHS) -> Houston (IAH) route, on-time performance is 83% with an average delay of 16 minutes, based on 401 tracked flights.
The cancellation rate on Charleston-Houston is 1.75% across 401 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Houston, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
