Best Time to Fly PHL to LAS: On-Time Stats by Hour & Airline
Philadelphia International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.2% of Philadelphia (PHL) to Las Vegas (LAS) flights arrived on time (1,484 scheduled flights). That is 1.4 points below the national average of 77.6%.
Spirit Airlines was the most punctual of the 3 airlines on the route at 83.8%, while Frontier Airlines trailed at 68.1%.
October has been the best month (83% on time) and Sunday the weakest day of the week (73%).
1.6% of flights were cancelled, versus 1.8% nationally.
PHL to LAS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlines | 83.8% | 63 min | 1.4% | 69 |
| American Airlines | 76.5% | 71 min | 1.4% | 1,291 |
| Frontier Airlines | 68.1% | 84 min | 3.2% | 124 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHL to LAS
On-time arrival % by scheduled departure hour (local time), 3,323 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 20 | |
| 6am–7am | 87.8% | 0.0% | 108 |
| 7am–8am | 84.4% | 1.6% | 255 |
| 8am–9am | 87.5% | 1.4% | 506 |
| 9am–10am | 84.2% | 1.5% | 270 |
| 10am–11am | 83.0% | 0.0% | 112 |
| 11am–12pm | 70.1% | 1.6% | 129 |
| 12pm–1pm | Limited data | 8 | |
| 2pm–3pm | 77.1% | 4.0% | 74 |
| 3pm–4pm | 69.8% | 1.3% | 313 |
| 4pm–5pm | 66.5% | 1.3% | 305 |
| 5pm–6pm | 75.0% | 1.8% | 110 |
| 6pm–7pm | 66.7% | 2.0% | 344 |
| 7pm–8pm | 63.3% | 3.1% | 355 |
| 8pm–9pm | 70.2% | 2.3% | 86 |
| 9pm–10pm | 76.6% | 2.3% | 220 |
| 10pm–11pm | 70.5% | 2.8% | 108 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHL to LAS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 82.0% | +3.2 pts | 0.0% | 50 |
| Christmas & New Year (Dec 20 - Jan 3) | 72.6% | -6.2 pts | 2.9% | 140 |
| Summer peak (Jun 15 - Aug 15) | 62.0% | -16.8 pts | 3.8% | 601 |
| All other days | 78.8% | — | 1.2% | 2,532 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).