Route · LAS → SFO · 2020–2025 BTS data
Las Vegas to San Francisco
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAS to SFO (Las Vegas to San Francisco) ranks #109 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 74.9%
- On-time
- -4.1 pts
- vs US avg
- 64 min
- Delay when late
- 31,552
- Flights
- #109 of 4927
- Corpus placement
Cancelled
1.1%
Best Month
Jan 2025 81%
Worst Month
Mar 2024 50%
Distance
414 mi
Carriers
37
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 510 | 167 | 2 | 0 | WN,F9,AS,UA |
| Nov 2025 | 500 | 184 | 12 | 0 | UA,F9,AS,WN |
| Oct 2025 | 521 | 215 | 4 | 0 | AS,UA,WN,F9 |
| Sep 2025 | 513 | 188 | 2 | 0 | UA,WN,F9,AS |
| Aug 2025 | 520 | 136 | 2 | 0 | WN,F9,UA,AS |
| Jul 2025 | 494 | 171 | 6 | 0 | AS,UA,WN,F9 |
| Jun 2025 | 494 | 121 | 5 | 0 | AS,UA,WN,F9 |
| May 2025 | 521 | 127 | 0 | 0 | AS,UA,WN,F9 |
| Apr 2025 | 499 | 119 | 0 | 0 | F9,OO,UA,WN,AS |
| Mar 2025 | 535 | 146 | 2 | 0 | AS,OO,UA,WN,F9 |
| Feb 2025 | 467 | 129 | 1 | 0 | AS,OO,UA,WN,F9 |
| Jan 2025 | 523 | 97 | 0 | 1 | AS,OO,UA,WN,F9 |
| Dec 2024 | 534 | 160 | 2 | 1 | AS,F9,OO,UA,WN |
| Nov 2024 | 539 | 161 | 3 | 0 | OO,UA,WN,AS,F9 |
| Oct 2024 | 573 | 144 | 1 | 0 | UA,AS,OO,WN,F9 |
| Sep 2024 | 538 | 141 | 4 | 0 | WN,OO,UA,AS,F9 |
| Aug 2024 | 490 | 142 | 3 | 0 | AS,F9,WN,OO,UA |
| Jul 2024 | 445 | 137 | 18 | 1 | AS,F9,UA,WN |
| Jun 2024 | 436 | 174 | 3 | 0 | AS,F9,UA,WN |
| May 2024 | 471 | 213 | 4 | 0 | AS,F9,OO,UA,WN |
| Apr 2024 | 445 | 216 | 1 | 2 | AS,F9,OO,UA,WN |
| Mar 2024 | 463 | 233 | 6 | 2 | AS,F9,OO,UA,WN |
| Feb 2024 | 411 | 176 | 6 | 2 | AA,AS,DL,F9,OO,UA,WN |
| Jan 2024 | 428 | 113 | 47 | 0 | AS,F9,WN,OO,UA |
LAS–SFO seasonal on-time pattern
Best: January (79.0%) · weakest: July (71.3%)
Strongest calendar month
January
79.0% on-time · ~459 flights/mo
Busiest calendar month
March
~480 flights/mo avg
Weakest calendar month
July
71.3% on-time · ~416 flights/mo
Cancellation Rate
1.1%
134 of 11,870 flights
Diversion Rate
0.1%
9 of 11,870 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAS - Las Vegas
Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.
LAS on-time profileSFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
SFO on-time profileCompare the two airports
See LAS and SFO side by side on delays, cancellations, and reliability.
Compare LAS vs SFOOrigin-hub reliability standing
Softer reliability from LAS
Among 83 routes leaving LAS, only 10 (including this one) clear below 75% on-time, while 2 stay ≥85% and 71 sit mid-band. Travelers comparing LAS options should weigh this 74.9% print against those peers · fleet on-time rank #4491 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to LAS–SFO.
Routes with a similar on-time rate
What the Data Says About LAS to SFO
On-time performance on the LAS to SFO pairing (Las Vegas to San Francisco) trails a chunk of the network: 74.9% of 31,552 tracked flights arrived on schedule, with a 63.9-minute average delay on the ones that ran late. The route spans about 414 miles across 37 carriers. Cancellations over the trailing 24 months hit 1.1% (134 of 11,870 flights), with 0.1% diverted.
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 81% on-time, while Mar 2024 came in at just 50% - a 32-point swing worth factoring into travel timing.
On the multi-year calendar, LAS–SFO peaks in January at 79.0% on-time while March carries the heaviest traffic (~480 flights per month) ; the softest month is July at 71.3%, a 7.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does LAS to SFO rank among US routes by traffic? ▼
How often are flights delayed from LAS to SFO? ▼
What is the cancellation rate for LAS to SFO? ▼
How far is the flight from LAS to SFO? ▼
When is the best time to fly from LAS to SFO? ▼
Airports on this route
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.
Using LAS–SFO data
LAS–SFO sits 4.1 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare LAS and SFO airport profiles: delay causes and top routes differ even on the same corridor. LAS airport
- If your dates flex, January (79.0% on-time) beats July (71.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 74.9% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.