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Route Reliability

San Juan → Dallas–Fort Worth

SJU–DFW · 2,165 miles · Luis Muñoz Marín International Airport to Dallas Fort Worth International Airport

75
Usually Fine
WanderNerd Reliability Score
80%
Arrive within 15 minutes
2 min
Average arrival delay
2.2%
Cancelled
1,030
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Spirit Airlines82%291 flights
  2. 2.American Airlines81%702 flights

Not enough history to rank: Frontier Airlines (37 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

SJU–DFW flights departing between 12–3 AM arrived on time 89% of the time, versus 72% between 12–3 PM.

Saturday is the weak spot.

SJU–DFW flights arrived on time 85% of the time on Fridays. On Saturdays: 76%.

Not much between Spirit Airlines and American Airlines.

On this route they all land within 81% to 82% on time. Pick on schedule and price.

Trending in the right direction.

SJU–DFW flights arrived on time 83% of the time over the last three months in the data, compared with 74% 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

On-time by weekday
  • Mon80%(156 flights)
  • Tue83%(118 flights)
  • Wed76%(127 flights)
  • Thu81%(145 flights)
  • Fri85%(153 flights)
  • Sat76%(139 flights)
  • Sun82%(158 flights)
On-time by departure window
  • 12–3 AM89%(151 flights)
  • 3–6 AM75%(16 flights)
  • 6–9 AM87%(293 flights)
  • 12–3 PM72%(29 flights)
  • 3–6 PM74%(316 flights)
  • 6–9 PM74%(149 flights)
  • 9 PM–12 AM86%(42 flights)
On-time trend by month
83%
May

Jun 90% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%98
July 202585%95
August 202565%62
September 202587%39
October 202577%48
November 202584%74
December 202584%110
January 202657%88
February 202683%82
March 202685%107
April 202681%104
May 202683%89

Keep nerding

Based on 1,030 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.