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WanderNerd

Route Reliability

Miami → Christiansted

MIASTX · 1,139 miles · Miami International Airport to Henry E. Rohlsen Airport

83
Pretty Reliable
WanderNerd Reliability Score
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

On-time by weekday
  • Mon76%(99 flights)
  • Tue82%(92 flights)
  • Wed76%(92 flights)
  • Thu82%(98 flights)
  • Fri86%(99 flights)
  • Sat70%(96 flights)
  • Sun70%(101 flights)
On-time by departure window
  • 9 AM–12 PM81%(283 flights)
  • 12–3 PM75%(329 flights)
  • 3–6 PM89%(47 flights)
  • 6–9 PM44%(18 flights)
On-time trend by month
86%
May

Jun 68% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%60
July 202573%62
August 202569%55
September 202590%30
October 202578%49
November 202577%60
December 202575%61
January 202678%59
February 202680%56
March 202674%62
April 202685%60
May 202686%63

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.