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Route Reliability

Hartford → San Juan

BDL–SJU · 1,666 miles · Bradley International Airport to Luis Muñoz Marín International Airport

53
A Little Dicey
WanderNerd Reliability Score
65%
Arrive within 15 minutes
26 min
Average arrival delay
1.9%
Cancelled
954
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.JetBlue Airways66%727 flights
  2. 2.Frontier Airlines61%227 flights

What the data says

The 12–3 PM departure wins.

BDL–SJU flights departing between 12–3 PM arrived on time 85% of the time, versus 55% between 3–6 PM.

Sunday scaries are real for this one.

BDL–SJU flights arrived on time 72% of the time on Fridays. On Sundays: 59%.

JetBlue Airways has a slight edge here.

JetBlue Airways arrived on time 66% of the time on this route; Frontier Airlines managed 61%.

Ticking up lately.

BDL–SJU flights arrived on time 65% of the time over the last three months in the data, compared with 59% 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
  • Mon62%(133 flights)
  • Tue67%(117 flights)
  • Wed67%(122 flights)
  • Thu65%(141 flights)
  • Fri72%(138 flights)
  • Sat64%(136 flights)
  • Sun59%(138 flights)
On-time by departure window
  • 6–9 AM77%(220 flights)
  • 9 AM–12 PM63%(272 flights)
  • 12–3 PM85%(20 flights)
  • 3–6 PM55%(145 flights)
  • 6–9 PM61%(253 flights)
  • 9 PM–12 AM67%(15 flights)
On-time trend by month
74%
May

Jun 80% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%83
July 202568%84
August 202566%86
September 202565%54
October 202552%52
November 202572%64
December 202570%95
January 202660%77
February 202646%69
March 202663%81
April 202658%88
May 202674%92

Keep nerding

Based on 954 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.