SAN to LAS flight delays & on-time performance
Nonstop flights from San Diego International Airport to Harry Reid International Airport · 258 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
75%
arrived < 15 min late
Cancelled
1.4%
76 flights
Avg arrival delay
16 min
59 min when late
Airlines
4
5,612 flights tracked
Key facts
- Flights from San Diego (SAN) to Las Vegas (LAS) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.4% were cancelled, and 8% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (79% on time); Frontier Airlines was the least (66%).
- Departures scheduled around 7am did best (95% on time); around 8pm did worst (58%).
- Tuesday was the most reliable day to fly (85% on time) and Friday the least (63%).
- The largest source of delay minutes was late-arriving aircraft (54%).
Which airline is most on time from SAN to LAS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Spirit Airlines | 85% | 1.8% | 11 min | 4.8% | 170 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 79% | 1.3% | 14 min | 7.8% | 1,321 |
| Southwest Airlines | 74% | 1.3% | 15 min | 7.2% | 3,747 |
| Frontier Airlines | 66% | 1.6% | 35 min | 15.5% | 374 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am94%362 flights
- 7am95%354 flights
- 8am88%446 flights
- 9am86%384 flights
- 10am82%330 flights
- 11am83%231 flights
- 12pm64%300 flights
- 1pm67%314 flights
- 2pm66%374 flights
- 3pm70%524 flights
- 4pm59%212 flights
- 5pm70%363 flights
- 6pm70%395 flights
- 7pm64%292 flights
- 8pm58%331 flights
- 9pm69%330 flights
- 10pm91%70 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%1.1% cancelled
- Tuesday85%0.7% cancelled
- Wednesday84%1.1% cancelled
- Thursday68%1.4% cancelled
- Friday63%1.9% cancelled
- Saturday83%1.1% cancelled
- Sunday74%1.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion19%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion47%
- Extreme weather28%
- Airline (crew, maintenance, cleaning, fueling)25%
- Security0%
SAN to LAS: common questions
- How often are SAN to LAS flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Diego to Las Vegas cancelled?
- 1.4% of scheduled flights were cancelled (76 of 5,612).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 59 min behind schedule on average, and 7.8% of flights were an hour or more late.
- How long is taxi time at SAN?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to SAN — 65% on time
More flights from San Diego
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAN → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.