BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SJU→DEN

San Juan, PR (SJU) to Denver, CO (DEN) flight delay odds

85.3% of 333 official scheduled SJU-to-DEN flights arrived on time; 7.2% arrived at least 30 minutes late and 0.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
85.3%arrived on time
7.2%30+ min late
0.3%cancelled
333scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.3%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted1.5%did not reach as scheduled
Average arrival-4.2 mincompleted flights

Which departure time was most reliable for SJU to DEN?

Only Afternoon met the SJU-to-DEN departure window threshold: 85.3% of 333 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Afternoon33385.3%7.2%0.3%

Which weekday was most reliable for SJU to DEN?

Among qualifying SJU-to-DEN weekday results, Thursday had the highest on-time rate: 89.4% of 47 flights. Sunday was lowest at 80.9% across 47 flights.

DayFlightsOn time30+ minCancelled
Monday4783.0%12.8%0.0%
Tuesday4785.1%6.4%0.0%
Wednesday4689.1%6.5%0.0%
Thursday4789.4%2.1%0.0%
Friday4787.2%4.3%0.0%
Saturday5282.7%7.7%1.9%
Sunday4780.9%10.6%0.0%

Which airline was most reliable for SJU to DEN?

Only United Airlines met the SJU-to-DEN airline threshold: 85.3% of 333 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
United Airlines33385.3%7.2%0.3%

Which month was most reliable for SJU to DEN?

Among qualifying SJU-to-DEN month results, March 2026 had the highest on-time rate: 100.0% of 31 flights. August 2025 was lowest at 55.0% across 20 flights.

MonthFlightsOn time30+ minCancelled
July 20253177.4%12.9%0.0%
August 20252055.0%25.0%0.0%
October 20253180.6%0.0%0.0%
November 20253086.7%13.3%0.0%
December 20253190.3%3.2%0.0%
January 20263180.6%16.1%3.2%
February 20262885.7%7.1%0.0%
March 202631100.0%0.0%0.0%
April 20263090.0%3.3%0.0%
May 20263193.5%0.0%0.0%
June 20263086.7%3.3%0.0%

What drove SJU to DEN delay minutes?

Late aircraft was the largest recorded SJU-to-DEN delay category, accounting for 48.3% of 2,105 BTS-attributed delay minutes during July 2025–June 2026.

Airline14.2%
Late aircraft48.3%
National airspace37.5%
Weather0.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.