Route · SFO → DEN · 2020–2025 BTS data
San Francisco to Denver
The SFO–DEN corridor (San Francisco, CA → Denver, CO) runs ahead of the national average, served by 6 carriers across roughly 967 miles.
Data updated 2026-06-13
- 81.4%
- On-time
- +2.4 pts
- vs US avg
- 66 min
- Delay when late
- 28,782
- Flights
Cancelled
0.7%
Best Month
Sep 2024 89%
Worst Month
May 2024 67%
Distance
967 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 456 | 115 | 2 | 2 | WN,F9,UA |
| Nov 2025 | 437 | 97 | 4 | 1 | UA,F9,WN |
| Oct 2025 | 460 | 87 | 0 | 0 | UA,WN,F9 |
| Sep 2025 | 450 | 117 | 0 | 0 | UA,WN,F9 |
| Aug 2025 | 460 | 132 | 1 | 3 | WN,F9,UA |
| Jul 2025 | 463 | 150 | 8 | 7 | UA,WN,F9 |
| Jun 2025 | 468 | 141 | 4 | 3 | UA,WN,F9 |
| May 2025 | 490 | 153 | 1 | 2 | UA,WN,F9 |
| Apr 2025 | 463 | 78 | 0 | 0 | F9,UA,WN |
| Mar 2025 | 470 | 79 | 3 | 0 | UA,WN,F9 |
| Feb 2025 | 439 | 80 | 0 | 0 | UA,WN,F9 |
| Jan 2025 | 477 | 81 | 2 | 0 | UA,WN,F9 |
| Dec 2024 | 506 | 98 | 1 | 1 | F9,UA,WN |
| Nov 2024 | 489 | 111 | 5 | 1 | UA,WN,F9 |
| Oct 2024 | 495 | 84 | 1 | 0 | UA,WN,F9 |
| Sep 2024 | 486 | 55 | 1 | 0 | WN,UA,F9 |
| Aug 2024 | 481 | 107 | 2 | 3 | F9,WN,UA |
| Jul 2024 | 477 | 108 | 3 | 2 | F9,UA,WN |
| Jun 2024 | 460 | 115 | 4 | 4 | F9,UA,WN |
| May 2024 | 475 | 157 | 3 | 1 | F9,UA,WN |
| Apr 2024 | 455 | 111 | 2 | 0 | F9,UA,WN |
| Mar 2024 | 450 | 139 | 5 | 1 | F9,UA,WN |
| Feb 2024 | 373 | 107 | 4 | 1 | F9,UA,WN |
| Jan 2024 | 399 | 92 | 23 | 0 | F9,WN,UA |
Cancellation Rate
0.7%
79 of 11,079 flights
Diversion Rate
0.3%
32 of 11,079 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See SFO and DEN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SFO–DEN.
Routes with a similar on-time rate
What the Data Says About SFO to DEN
28,782 tracked flights put the SFO to DEN pairing (San Francisco to Denver) at a 81.4% on-time rate, squarely in line with the wider network. Delays that do occur run 66.3 minutes on average. Across the 967-mile route and its 6 carriers, the trailing 24 months show 0.7% cancelled and 0.3% diverted (11,079 flights sampled).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 89% on-time, while May 2024 came in at just 67% - a 22-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SFO to DEN? ▼
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.