PlainFlights

Route · MIA → PHL · 2020–2025 BTS data

Miami to Philadelphia

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MIA to PHL (Miami to Philadelphia) ranks #498 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.5%
On-time
-2.5 pts
vs US avg
83 min
Delay when late
16,851
Flights
#498 of 4927
Corpus placement

Cancelled

1.7%

Best Month

Feb 2025 87%

Worst Month

Aug 2024 60%

Distance

1,013 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 274 62 6 0 F9,NK,AA
Nov 2025 259 53 6 0 F9,NK,AA
Oct 2025 244 44 1 0 AA,F9,NK
Sep 2025 216 48 2 0 NK,F9,AA
Aug 2025 268 67 1 0 AA,F9,NK
Jul 2025 219 74 4 3 AA,NK,F9
Jun 2025 229 72 1 0 AA,F9,NK
May 2025 278 58 7 1 AA,F9,NK
Apr 2025 318 72 2 0 F9,NK,AA
Mar 2025 283 70 4 1 AA,F9,NK
Feb 2025 262 33 10 1 AA,F9,NK
Jan 2025 288 50 5 0 AA,F9,NK
Dec 2024 290 67 2 1 AA,F9,NK
Nov 2024 244 39 0 0 NK,F9,AA
Oct 2024 240 31 3 0 NK,F9,AA
Sep 2024 220 49 2 0 AA,F9,NK
Aug 2024 273 108 19 0 AA,F9,NK
Jul 2024 247 87 5 0 AA,F9,NK
Jun 2024 240 65 13 1 AA,F9,NK
May 2024 260 78 2 0 AA,F9,NK
Apr 2024 284 55 5 0 AA,F9,NK
Mar 2024 304 106 8 0 AA,F9,NK
Feb 2024 267 72 0 0 AA,F9,NK
Jan 2024 263 92 0 0 AA,F9,NK

MIA–PHL seasonal on-time pattern

Best: October (82.9%) · weakest: August (69.0%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 77%

Strongest calendar month

October

82.9% on-time · ~232 flights/mo

Busiest calendar month

December

~248 flights/mo avg

Weakest calendar month

August

69.0% on-time · ~235 flights/mo

Cancellation Rate

1.7%

108 of 6,270 flights

Diversion Rate

0.1%

8 of 6,270 flights

Explore origin & destination

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

MIA - Miami

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

MIA on-time profile

PHL - Philadelphia

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

PHL on-time profile

Compare the two airports

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

Compare MIA vs PHL

Origin-hub reliability standing

Mid-pack among MIA departures

From MIA, this corridor sits with 37 other 75–85% on-time routes out of 63 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 25 below 75%). Destination: Philadelphia · fleet on-time rank #4208 of 4927.

What the Data Says About MIA to PHL

The Miami to Philadelphia corridor (MIA to PHL) posts a 76.5% on-time rate on the lower edge of the average band, based on 16,851 tracked flights. Late flights run 83.0 minutes behind on average. 6 carriers cover the 1,013-mile route; over the last 24 months, 108 of 6,270 flights were cancelled (1.7%) and 0.1% diverted.

The monthly split is wide on this route: Feb 2025 posted the strongest performance at 87% on-time, while Aug 2024 came in at just 60% - a 27-point swing worth factoring into travel timing.

On the multi-year calendar, MIA–PHL peaks in October at 82.9% on-time while December carries the heaviest traffic (~248 flights per month) ; the softest month is August at 69.0%, a 13.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MIA to PHL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MIA to PHL ranks #498 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 MIA to PHL? ▼
Flights from Miami to Philadelphia have a 76.5% on-time rate based on 16,851 flights. The average delay is 83.0 minutes. The best recent month was Feb 2025 with 87% on-time.
What is the cancellation rate for MIA to PHL? ▼
Over the last 24 months, 1.7% of flights on this route were cancelled (108 of 6,270 flights) and 0.1% were diverted.
How far is the flight from MIA to PHL? ▼
The flight distance from Miami (MIA) to Philadelphia (PHL) is approximately 1,013 miles. This route is served by 6 carriers.
When is the best time to fly from MIA to PHL? ▼
The best recent month for on-time performance was Feb 2025 (87% on-time). The worst was Aug 2024 (60% on-time). Consider booking during months with historically better performance.

Airports on this route

MIA Airport

Miami
PHL Airport

Philadelphia
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 MIA–PHL data

MIA–PHL is mid-pack at 76.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare MIA and PHL airport profiles: delay causes and top routes differ even on the same corridor. MIA airport
  • If your dates flex, October (82.9% on-time) beats August (69.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.5% 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.