Harry Reid International Airport (LAS) delays & on-time performance
Las Vegas, Nevada · 129 nonstop destinations · 12 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
78%
arrived < 15 min late
Cancelled
0.9%
1,487 flights
Avg arrival delay
15 min
60 min when late
Departed on time
74%
avg taxi-out 18 min
Figures cover 172,932 departures from LAS; on-time is measured at arrival. Arrivals into LAS were on time 78% of the time.
Key facts
- Flights departing Harry Reid International Airport (LAS) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 0.9% were cancelled, and 7% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (85% on time); Southwest Airlines was the least (74%).
- Departures scheduled around 6am did best (94% on time); around 6pm did worst (66%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Most delayed routes from LAS
Lowest on-time arrival rates among regularly flown routes.
- SFO · San Francisco61%6,115 flts
- SAN · San Diego65%5,631 flts
- TPA · Tampa69%1,031 flts
- SDF · Louisville70%399 flts
- DAL · Dallas71%2,842 flts
- LIT · Little Rock72%360 flts
- OAK · Oakland73%3,258 flts
- PSP · Palm Springs73%744 flts
- BOI · Boise73%1,362 flts
- HOU · Houston73%2,021 flts
Most reliable routes from LAS
Highest on-time arrival rates among regularly flown routes.
- MFE · Mission/McAllen/Edinburg90%426 flts
- CLT · Charlotte88%2,088 flts
- AMA · Amarillo88%364 flts
- PAE · Everett88%450 flts
- LBB · Lubbock87%366 flts
- BLI · Bellingham86%434 flts
- IAD · Washington86%1,078 flts
- EUG · Eugene86%473 flts
- LIH · Lihue86%365 flts
- KOA · Kona85%365 flts
Best airline at LAS
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Envoy Air | 100% | 0.0% | 0 min | 1 | 2 |
| Delta Air Lines | 85% | 1.1% | 12 min | 16 | 15,657 |
| Allegiant Air | 84% | 0.4% | 13 min | 57 | 7,055 |
| Spirit Airlines | 84% | 1.6% | 14 min | 38 | 6,920 |
| American Airlines | 81% | 1.8% | 19 min | 14 | 14,083 |
| SkyWest Airlines | 81% | 1.0% | 14 min | 12 | 3,450 |
| United Airlines | 80% | 0.6% | 14 min | 8 | 15,135 |
| Alaska Airlines | 79% | 1.0% | 14 min | 10 | 6,926 |
| JetBlue | 78% | 2.1% | 19 min | 5 | 3,970 |
| Frontier Airlines | 77% | 1.3% | 19 min | 43 | 12,692 |
| Southwest Airlines | 74% | 0.6% | 14 min | 76 | 86,313 |
| Hawaiian Airlines | 71% | 0.3% | 29 min | 2 | 729 |
Best time to fly out of LAS
On-time arrival rate by scheduled departure hour (local time).
- 12am80%2,034 flts
- 5am95%2,849 flts
- 6am94%11,236 flts
- 7am88%14,103 flts
- 8am86%11,847 flts
- 9am85%12,207 flts
- 10am82%10,914 flts
- 11am80%10,473 flts
- 12pm75%10,799 flts
- 1pm74%9,856 flts
- 2pm70%10,011 flts
- 3pm70%9,349 flts
- 4pm69%8,785 flts
- 5pm71%9,092 flts
- 6pm66%8,355 flts
- 7pm67%7,615 flts
- 8pm67%4,798 flts
- 9pm68%5,223 flts
- 10pm72%6,057 flts
- 11pm81%6,817 flts
Monthly trend
Why departures were late
- Late-arriving aircraft44%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion19%
- Extreme weather2%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.