PHL to MIA flight delays & on-time performance
Nonstop flights from Philadelphia International Airport to Miami International Airport · 1,013 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHL or MIA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Philadelphia (PHL) to Miami (MIA) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.4% were cancelled, and 9% arrived an hour or more late.
- American Airlines was the most punctual airline here (79% on time); Frontier Airlines was the least (66%).
- Departures scheduled around 5am did best (88% on time); around 5pm did worst (68%).
- Tuesday was the most reliable day to fly (85% on time) and Saturday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (38%).
Which airline is most on time from PHL to MIA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| American Airlines | 79% | 2.3% | 18 min | 7.6% | 2,663 |
| Spirit Airlines | 77% | 3.2% | 14 min | 8.0% | 221 |
| Frontier Airlines | 66% | 2.5% | 28 min | 15.5% | 363 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am88%185 flights
- 6am88%374 flights
- 8am82%377 flights
- 9am79%110 flights
- 10am80%325 flights
- 11am69%138 flights
- 12pm75%88 flights
- 1pm71%231 flights
- 2pm70%101 flights
- 3pm78%144 flights
- 4pm79%196 flights
- 5pm68%291 flights
- 6pm71%263 flights
- 7pm76%211 flights
- 8pm80%77 flights
- 9pm57%81 flights
- 10pm88%44 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%4.9% cancelled
- Tuesday85%2.1% cancelled
- Wednesday85%1.4% cancelled
- Thursday76%0.4% cancelled
- Friday79%0.4% cancelled
- Saturday71%2.4% cancelled
- Sunday73%4.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft38%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion19%
- Extreme weather6%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather87%
- Airline (crew, maintenance, cleaning, fueling)8%
- Air traffic control & airport congestion5%
- Security0%
PHL to MIA: common questions
- How often are PHL to MIA flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Philadelphia to Miami cancelled?
- 2.4% of scheduled flights were cancelled (78 of 3,247).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 79 min behind schedule on average, and 8.5% of flights were an hour or more late.
- How long is taxi time at PHL?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MIA to PHL — 75% on time
More flights from Philadelphia
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHL → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.