Route
CHS → HOU
Charleston International Airport William P. Hobby Airport
928 miles
Return route HOU → CHS →
How punctual is this route?
- On-time arrivals
- 79.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 45 min
- Flights arriving 15+ minutes late
- Flights tracked
- 185
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Air traffic control & airport 22%
- Airline (crew, maintenance, cleaning) 21%
- Extreme weather 1%
- 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 | 100.0% | 8 |
| October 2025 | 80.0% | 30 |
| November 2025 | 66.7% | 18 |
| December 2025 | 93.3% | 15 |
| January 2026 | 100.0% | 4 |
| March 2026 | 100.0% | 27 |
| April 2026 | 73.7% | 19 |
| May 2026 | 72.2% | 18 |
| June 2026 | 52.4% | 21 |
| July 2026 | 86.4% | 22 |
| August 2026 | 33.3% | 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 | 79.5% | 0.0% | 45 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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