LAS to PHL flight delays & on-time performance
Nonstop flights from Harry Reid International Airport to Philadelphia International Airport · 2,177 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS or PHL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Las Vegas (LAS) to Philadelphia (PHL) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.4% were cancelled, and 6% arrived an hour or more late.
- American Airlines was the most punctual airline here (85% on time); Frontier Airlines was the least (53%).
- Departures scheduled around 1pm did best (92% on time); around 11am did worst (67%).
- Tuesday was the most reliable day to fly (87% on time) and Sunday the least (77%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (46%).
Which airline is most on time from LAS to PHL?
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 |
|---|---|---|---|---|---|
| American Airlines | 85% | 1.4% | 14 min | 5.0% | 1,296 |
| Spirit Airlines | 81% | 0.0% | 9 min | 2.9% | 70 |
| Frontier Airlines | 53% | 2.5% | 37 min | 14.3% | 122 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12am100%18 flights
- 1am96%24 flights
- 6am91%56 flights
- 7am92%100 flights
- 8am80%145 flights
- 9am76%70 flights
- 10am86%226 flights
- 11am67%70 flights
- 12pm78%98 flights
- 1pm92%53 flights
- 2pm76%34 flights
- 4pm73%22 flights
- 9pm81%59 flights
- 10pm72%224 flights
- 11pm85%289 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%2.3% cancelled
- Tuesday87%1.5% cancelled
- Wednesday86%0.5% cancelled
- Thursday82%0.5% cancelled
- Friday79%0.4% cancelled
- Saturday84%1.0% cancelled
- Sunday77%3.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)46%
- Late-arriving aircraft37%
- Air traffic control & airport congestion16%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather81%
- Airline (crew, maintenance, cleaning, fueling)14%
- Air traffic control & airport congestion5%
- Security0%
LAS to PHL: common questions
- How often are LAS to PHL flights on time?
- 82% 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 Las Vegas to Philadelphia cancelled?
- 1.4% of scheduled flights were cancelled (21 of 1,488).
- 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 84 min behind schedule on average, and 5.7% of flights were an hour or more late.
- How long is taxi time at LAS?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHL to LAS — 76% on time
More flights from Las Vegas
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAS → PHL, nonstop flights by US airlines that report to the DOT. How we calculate this.