Route
PDX → MIA
Portland International Airport Miami International Airport
2,700 miles
Return route MIA → PDX →
How punctual is this route?
- On-time arrivals
- 84.0%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 342
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 35%
- Late-arriving aircraft 30%
- Extreme weather 18%
- Air traffic control & airport 16%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Nov 2025
May 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| November 2025 | 83.8% | 37 |
| December 2025 | 85.9% | 64 |
| January 2026 | 85.7% | 58 |
| February 2026 | 86.5% | 52 |
| March 2026 | 84.7% | 60 |
| April 2026 | 84.0% | 51 |
| May 2026 | 65.0% | 20 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| American Airlines | 200 | 84.3% | 1.0% | 63 min |
| Alaska Airlines | 142 | 83.6% | 0.7% | 81 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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