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

Denver, CO (DEN) to San Jose, CA (SJC) flight delay odds

73.7% of 2,579 official scheduled DEN-to-SJC flights arrived on time; 16.9% arrived at least 30 minutes late and 0.4% 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 SIGNALGenerally reliable
73.7%arrived on time
16.9%30+ min late
0.4%cancelled
2,579scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.2%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+9.6 mincompleted flights

Which departure time was most reliable for DEN to SJC?

Among qualifying DEN-to-SJC departure window results, Early morning had the highest on-time rate: 91.1% of 451 flights. Night was lowest at 50.0% across 100 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning45191.1%2.9%0.2%
Late morning49479.4%11.9%0.0%
Afternoon72274.0%15.5%0.1%
Evening81263.2%27.2%0.4%
Night10050.0%31.0%5.0%

Which weekday was most reliable for DEN to SJC?

Among qualifying DEN-to-SJC weekday results, Wednesday had the highest on-time rate: 79.3% of 352 flights. Monday was lowest at 70.0% across 397 flights.

DayFlightsOn time30+ minCancelled
Monday39770.0%18.4%0.3%
Tuesday34076.2%18.2%0.3%
Wednesday35279.3%14.2%0.0%
Thursday39071.3%16.9%0.8%
Friday39472.3%16.0%0.8%
Saturday31673.7%16.8%0.3%
Sunday39073.8%17.7%0.3%

Which airline was most reliable for DEN to SJC?

Among qualifying DEN-to-SJC airline results, Frontier Airlines had the highest on-time rate: 81.5% of 54 flights. Southwest Airlines was lowest at 68.9% across 1,529 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,52968.9%18.8%0.7%
United Airlines99680.5%14.7%0.0%
Frontier Airlines5481.5%5.6%0.0%

Which month was most reliable for DEN to SJC?

Among qualifying DEN-to-SJC month results, November 2025 had the highest on-time rate: 88.8% of 249 flights. June 2026 was lowest at 53.4% across 221 flights.

MonthFlightsOn time30+ minCancelled
July 202525058.4%33.6%0.8%
August 202523471.8%19.7%0.0%
September 202526481.8%9.5%0.0%
October 202524680.5%9.8%0.4%
November 202524988.8%5.2%0.4%
December 202521872.5%15.1%0.9%
January 202618386.3%7.7%0.5%
February 202617877.0%15.7%0.6%
March 202617275.6%16.9%0.6%
April 202616768.9%14.4%0.0%
May 202619768.5%21.3%0.0%
June 202622153.4%33.5%0.5%

What drove DEN to SJC delay minutes?

Late aircraft was the largest recorded DEN-to-SJC delay category, accounting for 56.8% of 38,483 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.3%
Late aircraft56.8%
National airspace8.6%
Weather1.3%
Security0.1%
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.