Route Reliability
Philadelphia → Los Angeles
PHL–LAX · 2,402 miles · Philadelphia International Airport to Los Angeles International Airport
- 79%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.4%
- Cancelled
- 2,449
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines80%2,318 flights
- 2.Frontier Airlines61%106 flights
Not enough history to rank: Spirit Airlines (25 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
PHL–LAX flights departing between 6–9 AM arrived on time 89% of the time, versus 63% between 9 PM–12 AM.
Friday comes out ahead.
A small edge: 81% on time on Fridays against 76% on Thursdays.
American Airlines has a clear lead on this route.
American Airlines arrived on time 80% of the time on this route; Frontier Airlines managed 61%.
Trending in the right direction.
PHL–LAX flights arrived on time 84% of the time over the last three months in the data, compared with 76% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon79%(344 flights)
- Tue79%(327 flights)
- Wed80%(339 flights)
- Thu76%(357 flights)
- Fri81%(358 flights)
- Sat80%(320 flights)
- Sun76%(364 flights)
- 6–9 AM89%(625 flights)
- 9 AM–12 PM84%(444 flights)
- 12–3 PM80%(335 flights)
- 3–6 PM74%(515 flights)
- 6–9 PM66%(378 flights)
- 9 PM–12 AM63%(112 flights)
Jun 69% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 261 |
| July 2025 | 71% | 254 |
| August 2025 | 76% | 251 |
| September 2025 | 87% | 210 |
| October 2025 | 84% | 242 |
| November 2025 | 84% | 168 |
| December 2025 | 69% | 173 |
| January 2026 | 79% | 144 |
| February 2026 | 81% | 132 |
| March 2026 | 86% | 152 |
| April 2026 | 82% | 198 |
| May 2026 | 82% | 224 |
Keep nerding
Based on 2,449 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.