Best Time to Fly LAS to PHL: On-Time Stats by Hour & Airline
Harry Reid International → Philadelphia International
Data through July 2026 · Last updated October 18, 2026
1,488 flights were scheduled from Las Vegas (LAS) to Philadelphia (PHL) in the last 12 months, and 81.8% of those that flew arrived on time, 4.2 points above the US average of 77.6%.
Among 3 airlines, American Airlines led with 84.5% on time and Frontier Airlines was last with 52.9%.
Over 24 months, Tuesday was the most reliable day (88% on time) and July the worst month (61%).
The cancellation rate was 1.4% (US average 1.8%).
LAS to PHL 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 |
|---|---|---|---|---|
| American Airlines | 84.5% | 89 min | 1.4% | 1,296 |
| Spirit Airlines | 81.4% | 43 min | 0.0% | 70 |
| Frontier Airlines | 52.9% | 76 min | 2.5% | 122 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to PHL
On-time arrival % by scheduled departure hour (local time), 3,325 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 97.6% | 2.3% | 86 |
| 1am–2am | 92.3% | 0.0% | 39 |
| 5am–6am | Limited data | 15 | |
| 6am–7am | 94.3% | 2.0% | 302 |
| 7am–8am | 85.2% | 1.2% | 164 |
| 8am–9am | 81.5% | 1.2% | 164 |
| 9am–10am | 74.0% | 1.5% | 206 |
| 10am–11am | 78.0% | 1.2% | 333 |
| 11am–12pm | 76.2% | 0.0% | 194 |
| 12pm–1pm | 77.4% | 0.4% | 225 |
| 1pm–2pm | 92.5% | 0.0% | 53 |
| 2pm–3pm | 76.5% | 0.0% | 34 |
| 3pm–4pm | 83.3% | 0.0% | 60 |
| 4pm–5pm | 80.0% | 0.0% | 35 |
| 8pm–9pm | Limited data | 28 | |
| 9pm–10pm | 74.2% | 1.2% | 169 |
| 10pm–11pm | 78.8% | 2.6% | 678 |
| 11pm–12am | 84.5% | 2.6% | 540 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAS to PHL
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) | 92.0% | +7.2 pts | 0.0% | 50 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.3% | -4.5 pts | 2.1% | 140 |
| Summer peak (Jun 15 - Aug 15) | 68.1% | -16.7 pts | 3.7% | 600 |
| All other days | 84.8% | — | 1.1% | 2,535 |
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).