Route · MIA → PDX · 2020–2025 BTS data
Miami to Portland
The MIA–PDX corridor (Miami, FL → Portland, OR) runs behind the national average, served by 3 carriers across roughly 2,700 miles.
Data updated 2026-06-13
- 64.4%
- On-time
- -14.6 pts
- vs US avg
- 74 min
- Delay when late
- 841
- Flights
Cancelled
2.0%
Best Month
Apr 2025 78%
Worst Month
Dec 2024 47%
Distance
2,700 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 62 | 16 | 0 | 2 | AS,AA |
| Nov 2025 | 37 | 12 | 0 | 0 | AA,AS |
| Apr 2025 | 51 | 11 | 0 | 0 | AA,AS |
| Mar 2025 | 62 | 23 | 0 | 0 | AA,AS |
| Feb 2025 | 56 | 16 | 2 | 1 | AA,AS |
| Jan 2025 | 62 | 18 | 0 | 0 | AA,AS |
| Dec 2024 | 58 | 31 | 0 | 0 | AA,AS |
| Nov 2024 | 33 | 8 | 0 | 1 | AS,AA |
| Jul 2024 | 31 | 9 | 1 | 0 | AA |
| Jun 2024 | 30 | 12 | 0 | 0 | AA |
| May 2024 | 31 | 14 | 0 | 0 | AA |
| Apr 2024 | 45 | 18 | 0 | 0 | AA,AS |
| Mar 2024 | 62 | 31 | 2 | 0 | AA,AS |
| Feb 2024 | 58 | 26 | 0 | 0 | AA,AS |
| Jan 2024 | 62 | 21 | 11 | 2 | AA,AS |
| Dec 2023 | 62 | 19 | 1 | 0 | AA,AS |
| Nov 2023 | 39 | 14 | 0 | 0 | AA,AS |
Cancellation Rate
2.0%
17 of 841 flights
Diversion Rate
0.7%
6 of 841 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.
Origin airport →PDX - Portland
Full on-time, delay-cause, and seasonal performance for Portland, OR.
Destination airport →Compare the two airports
See MIA and PDX side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MIA–PDX.
Routes with a similar on-time rate
What the Data Says About MIA to PDX
Miami to Portland (MIA to PDX) sits among the less reliable pairings in the BTS dataset, on-time only 64.4% of the time across 841 flights, with a 73.8-minute average delay when service runs late. Carriers on this 2,700-mile route (3 total) show a 2.0% cancellation rate and 0.7% diversion rate over the last 24 months (17 of 841 flights cancelled).
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 78% on-time, while Dec 2024 came in at just 47% - a 32-point swing worth factoring into travel timing.
Frequently Asked Questions
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Flight Guides
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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.
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.