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Route · LAX → PHL · 2020–2025 BTS data

Los Angeles to Philadelphia

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAX to PHL (Los Angeles to Philadelphia) ranks #785 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.8%
On-time
+3.8 pts
vs US avg
78 min
Delay when late
13,154
Flights
#785 of 4927
Corpus placement

Cancelled

0.9%

Best Month

Jan 2025 92%

Worst Month

Jul 2025 66%

Distance

2,402 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 173 31 1 1 AA
Nov 2025 166 45 0 1 AA
Oct 2025 243 43 0 1 AA,F9
Sep 2025 209 40 1 0 F9,AA
Aug 2025 252 59 1 0 AA,F9
Jul 2025 264 89 13 1 AA,F9,NK
Jun 2025 267 68 5 1 AA,NK,F9
May 2025 221 49 2 1 AA,NK,F9
Apr 2025 201 46 0 0 NK,AA
Mar 2025 185 21 2 0 AA,NK
Feb 2025 158 17 4 0 AA,NK
Jan 2025 182 15 1 2 AA,NK
Dec 2024 210 27 0 1 AA,NK
Nov 2024 205 26 0 0 NK,AA
Oct 2024 217 44 0 0 NK,AA
Sep 2024 213 34 0 0 NK,AA
Aug 2024 254 63 4 1 AA,NK
Jul 2024 246 58 7 1 AA,NK
Jun 2024 235 64 3 2 AA,NK
May 2024 216 54 0 0 AA,NK
Apr 2024 207 33 0 0 AA,NK
Mar 2024 186 48 1 0 AA,NK
Feb 2024 191 28 0 2 AA,NK
Jan 2024 202 27 2 0 AA,NK

LAX–PHL seasonal on-time pattern

Best: February (86.5%) · weakest: July (77.7%)

76%78%80%82%84%86%88% JanFebMarAprMayJunJulAugSepOctNovDec 84.1%

Strongest calendar month

February

86.5% on-time · ~165 flights/mo

Busiest calendar month

July

~211 flights/mo avg

Weakest calendar month

July

77.7% on-time · ~211 flights/mo

Cancellation Rate

0.9%

47 of 5,103 flights

Diversion Rate

0.3%

15 of 5,103 flights

Origin-hub reliability standing

Mid-pack among LAX departures

From LAX, this corridor sits with 39 other 75–85% on-time routes out of 80 tracked departures, not the hub's reliability leaders (40 at ≥85%) and not the softest ( 1 below 75%). Destination: Philadelphia · fleet on-time rank #2032 of 4927.

What the Data Says About LAX to PHL

Bureau of Transportation Statistics records show Los Angeles to Philadelphia (LAX to PHL) running a 82.8% on-time rate over 13,154 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 78.2 minutes. The 2,402-mile corridor is served by 7 carriers, and over the last 24 months 0.9% of 5,103 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Jan 2025 posted the strongest performance at 92% on-time, while Jul 2025 came in at just 66% - a 26-point swing worth factoring into travel timing.

On the multi-year calendar, LAX–PHL peaks in February at 86.5% on-time while July carries the heaviest traffic (~211 flights per month) ; the softest month is July at 77.7%, a 8.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LAX to PHL rank among US routes by traffic?
According to PlainFlights' route traffic ranking, LAX to PHL ranks #785 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from LAX to PHL?
Flights from Los Angeles to Philadelphia have a 82.8% on-time rate based on 13,154 flights. The average delay is 78.2 minutes. The best recent month was Jan 2025 with 92% on-time.
What is the cancellation rate for LAX to PHL?
Over the last 24 months, 0.9% of flights on this route were cancelled (47 of 5,103 flights) and 0.3% were diverted.
How far is the flight from LAX to PHL?
The flight distance from Los Angeles (LAX) to Philadelphia (PHL) is approximately 2,402 miles. This route is served by 7 carriers.
When is the best time to fly from LAX to PHL?
The best recent month for on-time performance was Jan 2025 (92% on-time). The worst was Jul 2025 (66% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using LAX–PHL data

LAX–PHL runs 3.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare LAX and PHL airport profiles: delay causes and top routes differ even on the same corridor. LAX airport
  • If your dates flex, February (86.5% on-time) beats July (77.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.8% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.