Route
LAS → SFO
Harry Reid International Airport San Francisco International Airport
Alerts at LAS and SFO
How punctual is this route?
- On-time arrivals
- 58.0%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 6,137
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 52%
- Late-arriving aircraft 32%
- Airline (crew, maintenance, cleaning) 14%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 63.2% | 513 |
| October 2025 | 58.4% | 521 |
| November 2025 | 62.3% | 500 |
| December 2025 | 67.1% | 510 |
| January 2026 | 78.5% | 521 |
| February 2026 | 72.1% | 445 |
| March 2026 | 83.3% | 488 |
| April 2026 | 52.3% | 504 |
| May 2026 | 40.4% | 534 |
| June 2026 | 40.0% | 510 |
| July 2026 | 39.9% | 549 |
| August 2026 | 43.3% | 542 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 2,816 | 62.6% | 0.4% | 67 min |
| Southwest Airlines | 1,312 | 42.4% | 0.8% | 57 min |
| Alaska Airlines | 1,102 | 63.3% | 0.9% | 55 min |
| Frontier Airlines | 904 | 59.4% | 1.7% | 73 min |
| SkyWest Airlines | 3 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA574
34% late · 364 flights
-
UA2356
41% late · 346 flights
-
F94401
52% late · 328 flights
-
UA2047
32% late · 316 flights
-
UA1799
47% late · 288 flights
-
F93801
40% late · 282 flights
-
AS634
46% late · 281 flights
-
AS613
28% late · 271 flights
-
UA1267
61% late · 268 flights
-
F93019
27% late · 241 flights
-
UA643
2% late · 230 flights
-
UA1603
37% late · 229 flights
-
AS570
45% late · 226 flights
-
UA1355
2% late · 113 flights
-
UA2478
54% late · 82 flights
-
AS718
24% late · 67 flights
-
WN3297
36% late · 64 flights
-
UA2615
80% late · 59 flights
-
WN2768
84% late · 57 flights
-
WN2934
92% late · 52 flights
-
UA2046
31% late · 51 flights
-
UA354
37% late · 51 flights
-
WN2580
72% late · 50 flights
-
UA2841
40% late · 47 flights
Reviews
No reviews yet. Be the first to review this route.