LAX to PHL flight delays

LAX PHL Los Angeles to Philadelphia · 2,402 miles

7,504 flights were scheduled from LAX to PHL over July 2023 through June 2026. Of the 7,407 that made the trip, 80.4% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
7,504
Arrived on time
80.4%
Cancelled
1.1%
Scheduled distance
2,402 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on LAX–PHL, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
American Airlines 80.9% 77 min 1% 6,705
Spirit Airlines 82.3% 42 min 0.6% 682
Frontier Airlines 41.4% 86 min 4.3% 117

Month by month

July was the month to avoid on LAX–PHL: 72% of flights arrived on time, against 85.5% in February. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 80.4%.
Arrival on-time share, LAX to PHL, by calendar month
Month Share flights that arrived on time Flights
January 85.1% 539
February 85.5% 488
March 81.2% 526
April 82.5% 606
May 79% 661
June 75.4% 736
July 72% 754
August 77.6% 754
September 83.1% 662
October 84.2% 680
November 82% 551
December 82% 547

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

LAX to PHL in one number

LAX → PHL

When a flight on this route was late, it was late by about 74 min.

July 2023–June 2026 · 7,504 flights

80.4% of flights arrived on time

Questions about LAX to PHL

Which airline is most reliable from LAX to PHL?
Spirit Airlines — its flights on this pairing arrived on time 82.3% of the time, with 682 scheduled. Frontier Airlines came in at 41.4% over 117 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly LAX to PHL?
July, at 72% of arrivals on time, with 754 flights scheduled. February was the best of the year at 85.5%.
How late are LAX–PHL flights when they are late?
74 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the LAX to PHL flight cancelled?
1.1% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at PHL less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.