Flights Charleston → Houston
CHS → IAH
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 215 flights monitored in recent months, 80% arrived on time (within 15 min of schedule), with an average delay of 20 minutes. The cancellation rate is 3.26%. FlightGuard's average computed risk is 18.5/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Charleston the average ATFM delay is 2.0 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 55% of CHS-IAH flights take off then.
Air-traffic congestion: departing Charleston the average ATFM delay is 2.0 min (atfm); arriving into Houston it is 2.0 min (atfm).
Across 215 tracked CHS-IAH flights, 80% left on time with an average delay of 20 min and a 3.3% 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) | 74% | 10 min | 6.9% |
Airlines operating CHS-IAH
Airports
Frequently asked questions about CHS-IAH
On the Charleston (CHS) -> Houston (IAH) route, on-time performance is 80% with an average delay of 20 minutes, based on 215 tracked flights.
The cancellation rate on Charleston-Houston is 3.26% across 215 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.
