OnTimeRoutes
F

Frontier Airlines CLT to SJU on-time performance

Frontier Airlines nonstop flights from Charlotte to San Juan · Aug 2025 – Jul 2026

On-time arrivals
52%
arrived < 15 min late
Cancelled
3.2%
3 flights
Avg arrival delay
40 min
82 min when late
Rank on route
#2 of 2
route average 77% on time

Key facts

  • Frontier Airlines flights on CLT to SJU arrived on time 52% of the time in Aug 2025 – Jul 2026.
  • 3.2% were cancelled, and 13% arrived an hour or more late.
  • That ranks #2 of 2 airlines on this route, which averaged 77% on time overall.
  • The largest source of delay minutes was air traffic control & airport congestion (48%).

On-time trend by month

10%55%100%July 2025: 50.0% on time, 0.0% cancelledJul ’25August 2025: 66.7% on time, 14.3% cancelledAug ’25November 2025: 50.0% on time, 0.0% cancelledNov ’25December 2025: 37.5% on time, 0.0% cancelledDec ’25January 2026: 20.0% on time, 0.0% cancelledJan ’26March 2026: 70.0% on time, 9.1% cancelledMar ’26April 2026: 25.0% on time, 0.0% cancelledApr ’26May 2026: 61.5% on time, 0.0% cancelledMay ’26June 2026: 75.0% on time, 5.9% cancelledJun ’26July 2026: 44.4% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Air traffic control & airport congestion48%
  • Late-arriving aircraft41%
  • Airline (crew, maintenance, cleaning, fueling)12%
  • Extreme weather0%
  • Security0%

Other airlines on CLT to SJU

93 Frontier Airlines flights tracked on this route; 3 cancelled, 0 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.