Route Reliability
Denver → San Jose
DEN–SJC · 948 miles · Denver International Airport to San José Mineta International Airport
- 75%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0.4%
- Cancelled
- 2,599
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines81%1,005 flights
- 2.Southwest Airlines71%1,531 flights
Not enough history to rank: Frontier Airlines (63 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
DEN–SJC flights departing between 6–9 AM arrived on time 93% of the time, versus 52% between 9 PM–12 AM.
Monday is the weak spot.
DEN–SJC flights arrived on time 81% of the time on Wednesdays. On Mondays: 72%.
United Airlines runs this route best.
United Airlines arrived on time 81% of the time on this route; Southwest Airlines managed 71%.
Recent months have been rougher.
DEN–SJC flights arrived on time 72% of the time over the last three months in the data, compared with 80% 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
- Mon72%(397 flights)
- Tue76%(337 flights)
- Wed81%(353 flights)
- Thu74%(391 flights)
- Fri73%(391 flights)
- Sat77%(319 flights)
- Sun75%(401 flights)
- 3–6 AM—(5 flights)
- 6–9 AM93%(447 flights)
- 9 AM–12 PM81%(484 flights)
- 12–3 PM79%(351 flights)
- 3–6 PM74%(432 flights)
- 6–9 PM64%(767 flights)
- 9 PM–12 AM52%(103 flights)
Jun 63% → May 69% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 240 |
| July 2025 | 59% | 248 |
| August 2025 | 73% | 234 |
| September 2025 | 83% | 264 |
| October 2025 | 81% | 245 |
| November 2025 | 91% | 248 |
| December 2025 | 74% | 216 |
| January 2026 | 87% | 182 |
| February 2026 | 79% | 177 |
| March 2026 | 76% | 171 |
| April 2026 | 70% | 167 |
| May 2026 | 69% | 197 |
Same trip, other airports
Keep nerding
Based on 2,599 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.