Phoenix to Miami Flight Delays
Sample size: 4,961 PHX–MIA flights, January 2023 to December 2025 (BTS). 16.87% of Phoenix to Miami flights arrived at least 15 minutes late. That is 7.3 points better than the 24.2% median for those routes, making this one of the steadier pairings in the network. Departure time moves the odds more than anything else on this route: 00:00 departures run 8.23% late against 26.52% for 12:00. Tuesday is the calmest day at 13.01%, Sunday the worst at 20.17%. Cancellations (2024 to 2025) peak in August at 1.95% of scheduled flights and bottom out in January at 0%. Last updated: 2026-10-01.
These figures are historical US domestic rates, not a forecast for one departure. Use the free delay prediction for your trip before you book.
PHX airport delay guide · MIA airport delay guide · Predict a PHX to MIA flight
Best time to fly PHX to MIA
The best time to fly PHX to MIA is the 12 AM departure and fly on a Tuesday, not a Sunday (13.01% against 20.17%): 8.23% of 12 AM flights arrived 15+ minutes late, against 26.52% at 12 PM.
Lowest observed delay rates depart 00:00, 21:00, 23:00. The highest sit at 12:00–14:00. Only departure hours with at least 100 recorded flights are listed, so sparse hours are blank rather than estimated.
| Departure hour | Delayed 15+ min | Flights observed |
|---|---|---|
| 00:00 | 8.23% | 231 |
| 08:00 | 20.04% | 469 |
| 09:00 | 12.24% | 580 |
| 12:00 | 26.52% | 660 |
| 13:00 | 22.52% | 302 |
| 14:00 | 25.93% | 189 |
| 15:00 | 19.93% | 281 |
| 16:00 | 18.11% | 381 |
| 21:00 | 12% | 100 |
| 22:00 | 12.86% | 723 |
| 23:00 | 11.87% | 859 |
PHX to MIA flight time and distance
Scheduled gate-to-gate time from PHX to MIA is a median 4 h 18 min. Flights actually took a median 4 h 9 min gate to gate, including 3 h 42 min in the air. 1.7% ran 30 or more minutes over schedule and 78.7% arrived sooner than scheduled (BTS data, January 2023 to December 2025).
PHX to MIA is 1,972 miles (BTS data).
| Airline | Scheduled (median) | Actual (median) | In the air (median) | 30+ min over schedule | Flights |
|---|---|---|---|---|---|
| American Airlines | 4 h 18 min | 4 h 9 min | 3 h 42 min | 1.7% | 4,961 |
How late, and why
When a PHX to MIA flight was late (15+ minutes), it arrived an average of 65 minutes late (median 36). 4.9% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
Of the delay minutes on late PHX to MIA flights, 43.7% were caused by the airline (crew, maintenance, ground handling), 31.8% by a late incoming aircraft, 22.6% by the air-traffic system (volume, non-extreme weather, airport operations), 1.5% by extreme weather and 0.4% by security (BTS data, 2023 to 2025).
| Cause | Share of delay minutes |
|---|---|
| airline | 43.7% |
| late incoming aircraft | 31.8% |
| air-traffic system | 22.6% |
| extreme weather | 1.5% |
| security | 0.4% |
BTS assigns causes to delay minutes on flights that arrived 15+ minutes late. "Air-traffic system" includes non-extreme weather that slows traffic.
PHX to MIA delays by day of week
| Day | Delayed 15+ min | Flights observed |
|---|---|---|
| Mon | 15.73% | 712 |
| Tue | 13.01% | 707 |
| Wed | 16.48% | 698 |
| Thu | 19.43% | 700 |
| Fri | 18.34% | 709 |
| Sat | 14.98% | 721 |
| Sun | 20.17% | 714 |
Month-by-month cancellation pattern
Share of scheduled PHX–MIA flights cancelled in each month, from BTS 2024–2025 on-time reporting. These are cancellations, not delays. Delay figures on this page cover January 2023 to December 2025.
| Month | Cancelled | Flights scheduled |
|---|---|---|
| Jan | 0% | 316 |
| Feb | 0% | 296 |
| Mar | 1.17% | 342 |
| Apr | 0.61% | 327 |
| May | 0.32% | 316 |
| Jun | 1.46% | 274 |
| Jul | 0.98% | 305 |
| Aug | 1.95% | 257 |
| Sep | 0.45% | 223 |
| Oct | 0.67% | 297 |
| Nov | 1.01% | 298 |
| Dec | 0% | 326 |
Airlines on PHX to MIA: delays and cancellations
American Airlines flies this route today. Only carriers with at least 200 scheduled flights on the pairing are listed. Delay rates cover January 2023 to December 2025; cancellation rates cover 2024 to 2025.
| Airline | Share of flights | Delayed 15+ min | Cancelled | Flights scheduled |
|---|---|---|---|---|
| American Airlines | 100% | 16.87% | 0.7% | 3,577 |
Related pages
- PHX delays: rate, worst hours and live risk
- MIA delays: rate, worst hours and live risk
- US airline cancellation rates
- Thanksgiving and Christmas 2026 flight delay guide
- Predict a PHX to MIA flight
Check your odds: Will my flight be delayed? · Will my flight be cancelled?
PHX vs MIA: airport conditions
Both ends of a route shape its delay profile. These are DelayGuard's operational scores for Phoenix and Miami.
| Measure | PHX (Phoenix) | MIA (Miami) |
|---|---|---|
| Congestion | moderate | high |
| Weather risk | low | moderate |
| NAS vulnerability | low | high |
| Average taxi-out | 13 min | 17 min |
| Runways | 3 | 4 |
PHX to MIA questions
- How long is the flight from Phoenix to Miami?
- Scheduled gate-to-gate time from PHX to MIA is a median 4 h 18 min, and flights actually took a median 4 h 9 min including 3 h 42 min in the air. 1.7% ran 30+ minutes over schedule (BTS data, January 2023 to December 2025).
- How often do PHX to MIA flights get delayed?
- Across 4,961 recorded PHX–MIA departures, January 2023 to December 2025 (BTS), 16.87% arrived at least 15 minutes late. Departure time matters most: 0:00 departures run 8.23% late against 26.52% for 12:00. Actual delay frequency varies by airline, time of day, and season.
- What is the best time of year to fly PHX to MIA?
- Phoenix (AZ) sees its highest delays during November–February (coastal fog) with generally low risk year-round. Miami (FL) peaks during June–September (convective/thunderstorm season). The dominant seasonal risk on this route sits at the destination (Miami) — use the DelayGuard predictor to check conditions for your specific travel date.
- Which airline is most reliable on PHX to MIA?
- Among the carriers BTS records on PHX→MIA, ranked by each airline's network-wide delay rate — the share of that airline's flights that arrived 15 or more minutes late, January 2023 to December 2025 (BTS), not measured on this route — the strongest are American Airlines (25.0%). Use the DelayGuard predictor above to check your specific airline, date, and departure hour — conditions vary significantly by day.
- How late are PHX to MIA flights when they are delayed?
- When a PHX to MIA flight was late (15+ minutes), it arrived an average of 65 minutes late (median 36). 4.9% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
- How accurate is DelayGuard's delay prediction for this route?
- DelayGuard's delay risk score comes from an ML model trained on BTS data (3.95 million US domestic flights, 2023 to mid-2025), with live weather data (within 5 days of departure) and FAA NAS advisories (within 6 hours) — a likelihood of delay, not a guarantee.
Delay figures reflect arrivals 15 or more minutes late in BTS on-time reporting. Cancellation figures are separate and count flights that never operated. Hours, days and months with fewer than 100 recorded flights are omitted rather than estimated.