Route
HOU → CHS
William P. Hobby Airport Charleston International Airport
928 miles
Return route CHS → HOU →
How punctual is this route?
- On-time arrivals
- 59.1%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 185
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 59%
- Airline (crew, maintenance, cleaning) 23%
- Air traffic control & airport 12%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.5% | 8 |
| October 2025 | 60.0% | 30 |
| November 2025 | 83.3% | 18 |
| December 2025 | 35.7% | 15 |
| January 2026 | 75.0% | 4 |
| March 2026 | 38.5% | 27 |
| April 2026 | 78.9% | 19 |
| May 2026 | 77.8% | 18 |
| June 2026 | 47.6% | 21 |
| July 2026 | 40.0% | 22 |
| August 2026 | 66.7% | 3 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 185 | 59.1% | 0.5% | 51 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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