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Route · PHL → MIA · 2020–2025 BTS data

Philadelphia to Miami

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHL to MIA (Philadelphia to Miami) ranks #502 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78.4%
On-time
-0.6 pts
vs US avg
82 min
Delay when late
16,803
Flights
#502 of 4927
Corpus placement

Cancelled

1.6%

Best Month

Nov 2024 91%

Worst Month

Jul 2025 60%

Distance

1,013 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 277 64 5 1 F9,NK,AA
Nov 2025 256 47 5 0 F9,NK,AA
Oct 2025 246 49 1 0 AA,F9,NK
Sep 2025 217 42 2 1 NK,F9,AA
Aug 2025 269 84 1 2 AA,F9,NK
Jul 2025 220 88 4 3 AA,NK,F9
Jun 2025 231 75 2 1 AA,F9,NK
May 2025 277 78 6 0 AA,F9,NK
Apr 2025 318 57 4 2 F9,NK,AA
Mar 2025 282 67 2 0 AA,F9,NK
Feb 2025 265 50 9 0 AA,F9,NK
Jan 2025 287 75 6 0 AA,F9,NK
Dec 2024 291 76 2 1 AA,F9,NK
Nov 2024 246 23 0 0 NK,F9,AA
Oct 2024 240 42 3 0 NK,F9,AA
Sep 2024 220 33 2 1 AA,F9,NK
Aug 2024 271 101 19 7 AA,F9,NK
Jul 2024 247 70 7 0 AA,F9,NK
Jun 2024 240 55 9 1 AA,F9,NK
May 2024 257 51 1 0 AA,F9,NK
Apr 2024 282 39 5 0 AA,F9,NK
Mar 2024 303 74 8 0 AA,F9,NK
Feb 2024 265 46 0 1 AA,F9,NK
Jan 2024 265 78 0 0 AA,F9,NK

PHL–MIA seasonal on-time pattern

Best: November (84.9%) · weakest: August (71.1%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 78.1%

Strongest calendar month

November

84.9% on-time · ~234 flights/mo

Busiest calendar month

December

~248 flights/mo avg

Weakest calendar month

August

71.1% on-time · ~233 flights/mo

Cancellation Rate

1.6%

103 of 6,272 flights

Diversion Rate

0.3%

21 of 6,272 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

PHL - Philadelphia

Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.

PHL on-time profile

MIA - Miami

Full on-time, delay-cause, and seasonal performance for Miami, FL.

MIA on-time profile

Compare the two airports

See PHL and MIA side by side on delays, cancellations, and reliability.

Compare PHL vs MIA

Origin-hub reliability standing

Mid-pack among PHL departures

From PHL, this corridor sits with 60 other 75–85% on-time routes out of 65 tracked departures, not the hub's reliability leaders (4 at ≥85%) and not the softest ( 1 below 75%). Destination: Miami · fleet on-time rank #3727 of 4927.

What the Data Says About PHL to MIA

The Philadelphia to Miami corridor (PHL to MIA) posts a 78.4% on-time rate on the lower edge of the average band, based on 16,803 tracked flights. Late flights run 82.2 minutes behind on average. 6 carriers cover the 1,013-mile route; over the last 24 months, 103 of 6,272 flights were cancelled (1.6%) and 0.3% diverted.

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 60% - a 31-point swing worth factoring into travel timing.

On the multi-year calendar, PHL–MIA peaks in November at 84.9% on-time while December carries the heaviest traffic (~248 flights per month) ; the softest month is August at 71.1%, a 13.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PHL to MIA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, PHL to MIA ranks #502 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 PHL to MIA? ▼
Flights from Philadelphia to Miami have a 78.4% on-time rate based on 16,803 flights. The average delay is 82.2 minutes. The best recent month was Nov 2024 with 91% on-time.
What is the cancellation rate for PHL to MIA? ▼
Over the last 24 months, 1.6% of flights on this route were cancelled (103 of 6,272 flights) and 0.3% were diverted.
How far is the flight from PHL to MIA? ▼
The flight distance from Philadelphia (PHL) to Miami (MIA) is approximately 1,013 miles. This route is served by 6 carriers.
When is the best time to fly from PHL to MIA? ▼
The best recent month for on-time performance was Nov 2024 (91% on-time). The worst was Jul 2025 (60% on-time). Consider booking during months with historically better performance.

Airports on this route

PHL Airport

Philadelphia
MIA Airport

Miami
Data source

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

Read our methodology - how this data is sourced, computed, and verified.

Using PHL–MIA data

PHL–MIA is mid-pack at 78.4% on-time; month and carrier mix move more than the corridor headline.

  • Compare PHL and MIA airport profiles: delay causes and top routes differ even on the same corridor. PHL airport
  • If your dates flex, November (84.9% on-time) beats August (71.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78.4% 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.