Route Reliability
Miami → Charleston
MIA–CHS · 489 miles · Miami International Airport to Charleston International Airport
- 71%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 1.3%
- Cancelled
- 1,036
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 71% of the time across 1,036 flights. No comparison to make.
What the data says
Morning flights do better here.
MIA–CHS flights departing between 6–9 AM arrived on time 89% of the time, versus 60% between 3–6 PM.
Sunday scaries are real for this one.
MIA–CHS flights arrived on time 80% of the time on Wednesdays and just 53% on Sundays. That gap is worth planning around.
Slipping a little lately.
MIA–CHS flights arrived on time 68% of the time over the last three months in the data, compared with 73% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon71%(145 flights)
- Tue79%(142 flights)
- Wed80%(147 flights)
- Thu71%(144 flights)
- Fri68%(146 flights)
- Sat73%(146 flights)
- Sun53%(150 flights)
- 6–9 AM89%(337 flights)
- 9 AM–12 PM—(6 flights)
- 3–6 PM60%(307 flights)
- 6–9 PM83%(18 flights)
- 9 PM–12 AM61%(352 flights)
Jun 69% → May 63% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 90 |
| July 2025 | 64% | 89 |
| August 2025 | 61% | 93 |
| September 2025 | 87% | 61 |
| October 2025 | 75% | 87 |
| November 2025 | 73% | 85 |
| December 2025 | 74% | 84 |
| January 2026 | 77% | 81 |
| February 2026 | 70% | 83 |
| March 2026 | 72% | 90 |
| April 2026 | 68% | 93 |
| May 2026 | 63% | 84 |
Same trip, other airports
Keep nerding
Based on 1,036 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.