LAX to PHL flight delays & on-time performance
Nonstop flights from Los Angeles International Airport to Philadelphia International Airport · 2,402 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAX or PHL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Los Angeles (LAX) to Philadelphia (PHL) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.5% were cancelled, and 7% arrived an hour or more late.
- Departures scheduled around 7am did best (90% on time); around 9am did worst (70%).
- Wednesday was the most reliable day to fly (83% on time) and Thursday the least (77%).
- The largest source of delay minutes was late-arriving aircraft (50%).
Which airline is most on time from LAX 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 | 80% | 1.5% | 17 min | 6.7% | 2,332 |
| Frontier Airlines | 56% | 0.0% | 27 min | 15.2% | 66 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12am86%76 flights
- 1am75%68 flights
- 6am87%287 flights
- 7am90%174 flights
- 8am84%137 flights
- 9am70%156 flights
- 10am77%116 flights
- 11am75%137 flights
- 12pm75%216 flights
- 2pm79%113 flights
- 3pm70%229 flights
- 4pm77%93 flights
- 9pm81%103 flights
- 10pm73%190 flights
- 11pm83%302 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%2.0% cancelled
- Tuesday81%2.1% cancelled
- Wednesday83%0.3% cancelled
- Thursday77%0.0% cancelled
- Friday79%0.8% cancelled
- Saturday78%1.8% cancelled
- Sunday78%3.1% 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 aircraft50%
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion14%
- Security0%
- Extreme weather0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather89%
- Airline (crew, maintenance, cleaning, fueling)11%
- Air traffic control & airport congestion0%
- Security0%
LAX to PHL: common questions
- How often are LAX to PHL flights on time?
- 79% 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 Los Angeles to Philadelphia cancelled?
- 1.5% of scheduled flights were cancelled (35 of 2,398).
- How long are typical delays?
- Across all flights the average arrival delay was 17 min (early arrivals count as zero). Flights that were late arrived 76 min behind schedule on average, and 7.0% of flights were an hour or more late.
- How long is taxi time at LAX?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHL to LAX — 78% on time
More flights from Los Angeles
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAX → PHL, nonstop flights by US airlines that report to the DOT. How we calculate this.