Route Reliability
Miami → Christiansted
MIA–STX · 1,139 miles · Miami International Airport to Henry E. Rohlsen Airport
- 77%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.4%
- Cancelled
- 681
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 77% of the time across 681 flights. No comparison to make.
What the data says
The 3–6 PM departure wins.
MIA–STX flights departing between 3–6 PM arrived on time 89% of the time, versus 44% between 6–9 PM.
Saturdays have been rough.
MIA–STX flights arrived on time 86% of the time on Fridays and just 70% on Saturdays. That gap is worth planning around.
Ticking up lately.
MIA–STX flights arrived on time 82% of the time over the last three months in the data, compared with 78% in the three months before that.
Flights on this route
The breakdown
- Mon76%(99 flights)
- Tue82%(92 flights)
- Wed76%(92 flights)
- Thu82%(98 flights)
- Fri86%(99 flights)
- Sat70%(96 flights)
- Sun70%(101 flights)
- 9 AM–12 PM81%(283 flights)
- 12–3 PM75%(329 flights)
- 3–6 PM89%(47 flights)
- 6–9 PM44%(18 flights)
Jun 68% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 60 |
| July 2025 | 73% | 62 |
| August 2025 | 69% | 55 |
| September 2025 | 90% | 30 |
| October 2025 | 78% | 49 |
| November 2025 | 77% | 60 |
| December 2025 | 75% | 61 |
| January 2026 | 78% | 59 |
| February 2026 | 80% | 56 |
| March 2026 | 74% | 62 |
| April 2026 | 85% | 60 |
| May 2026 | 86% | 63 |
Same trip, other airports
Keep nerding
Based on 681 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.