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Route Reliability

San Juan → Charlotte

SJU–CLT · 1,475 miles · Luis Muñoz Marín International Airport to Charlotte Douglas International Airport

85
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min
Average arrival delay
1.8%
Cancelled
1,075
Flights in the data

Data through May 2026.

Airlines on this route

  • American Airlines86% on time · 992 flights
  • Frontier Airlines65% on time · 83 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

The late departure is the smart one here.

SJU–CLT flights departing between 6–9 PM arrived on time 93% of the time, versus 82% between 3–6 PM.

Sunday scaries are real for this one.

SJU–CLT flights arrived on time 88% of the time on Wednesdays. On Sundays: 78%.

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

On-time by weekday
  • Mon84%(152 flights)
  • Tue87%(148 flights)
  • Wed88%(136 flights)
  • Thu87%(157 flights)
  • Fri87%(150 flights)
  • Sat84%(146 flights)
  • Sun78%(165 flights)
On-time by departure window
  • 6–9 AM88%(352 flights)
  • 9 AM–12 PM83%(72 flights)
  • 12–3 PM86%(187 flights)
  • 3–6 PM82%(428 flights)
  • 6–9 PM93%(15 flights)
On-time trend by month
84%
May

Jun 78% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%73
July 202579%75
August 202579%66
September 202588%32
October 202587%55
November 202585%82
December 202590%121
January 202680%107
February 202692%106
March 202688%135
April 202683%108
May 202684%94

Keep nerding

Based on 1,075 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.