Route Reliability
Houston → Charleston
HOU–CHS · 928 miles · William P. Hobby Airport to Charleston International Airport
- 68%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 0.5%
- Cancelled
- 208
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 68% of the time across 208 flights. No comparison to make.
What the data says
Morning-you made the right choice.
HOU–CHS flights departing between 9 AM–12 PM arrived on time 91% of the time, versus 57% between 6–9 PM.
Tuesdays have been rough.
HOU–CHS flights arrived on time 84% of the time on Saturdays and just 37% on Tuesdays. That gap is worth planning around.
Ticking up lately.
HOU–CHS flights arrived on time 67% of the time over the last three months in the data, compared with 63% in the three months before that.
Flights on this route
The breakdown
- Mon81%(32 flights)
- Tue37%(19 flights)
- Wed41%(17 flights)
- Thu76%(29 flights)
- Fri68%(34 flights)
- Sat84%(32 flights)
- Sun65%(43 flights)
- 9 AM–12 PM91%(22 flights)
- 12–3 PM78%(59 flights)
- 3–6 PM57%(14 flights)
- 6–9 PM57%(83 flights)
- 9 PM–12 AM68%(28 flights)
Jun 68% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 28 |
| July 2025 | 73% | 30 |
| August 2025 | 82% | 11 |
| October 2025 | 63% | 30 |
| November 2025 | 83% | 18 |
| December 2025 | 43% | 14 |
| March 2026 | 39% | 26 |
| April 2026 | 79% | 19 |
| May 2026 | 83% | 18 |
Same trip, other airports
Keep nerding
Based on 208 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.