Fresno (FAT) to Las Vegas (LAS): On-Time Performance
Data through May 2026
The calendar drives reliability on FAT–LAS. November 2024 flights landed on schedule 91% of the time, but June 2024 dropped to 75% — a gap of 15 points. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 75%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 4.8
- last 12 months
- Duration
- 1h 16m
- scheduled
- Distance
- 259 mi
Best airline from FAT to LAS
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 85% | 10 min | 0.1% | 2,255 |
| Allegiant Air | 79% | 21 min | 0.5% | 1,295 |
Monthly on-time trend
Best time to fly from FAT to LAS
Aim for departures around 5 a.m. (96% on-time); avoid 9 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 12 min |
| Tuesday | 85% | 12 min |
| Wednesdaybest | 88% | 7 min |
| Thursday | 77% | 19 min |
| Friday | 80% | 18 min |
| Saturday | 88% | 10 min |
| Sunday | 82% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations25%
- National airspace system25%
- Weather5%
Frequently asked questions
- How often are flights from FAT to LAS delayed?
- 18% of FAT–LAS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 14 minutes.
- Which airline is most reliable from FAT to LAS?
- Southwest Airlines has the best on-time record on this route at 85%, based on 2,255 flights. 2 airlines flew FAT–LAS frequently enough to compare in this period.
- What is the best time of day to fly from FAT to LAS?
- Departures around 5 a.m. have the best record (96% on-time), while departures around 9 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from FAT to LAS?
- The scheduled FAT–LAS flight time averages 1h 16m over 259 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are FAT to LAS flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from FAT to LAS?
- June 2024 was the roughest month in this dataset, with only 75% of arrivals on time. The best was November 2024 at 91%. If your dates are flexible, that 15-point gap is worth planning around.
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Based on 3,550 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.