Route · IAD → PBI · 2020–2025 BTS data
Washington to West Palm Beach/Palm Beach
The IAD–PBI corridor (Washington, DC → West Palm Beach/Palm Beach, FL) runs ahead of the national average, served by 9 carriers across roughly 859 miles.
Data updated 2026-06-13
- 80.3%
- On-time
- +1.3 pts
- vs US avg
- 80 min
- Delay when late
- 1,072
- Flights
Cancelled
3.4%
Best Month
Jan 2021 91%
Worst Month
Mar 2022 60%
Distance
859 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 45 | 13 | 0 | 0 | UA |
| Nov 2025 | 30 | 6 | 1 | 0 | UA |
| Oct 2025 | 31 | 6 | 0 | 1 | UA,YX |
| Dec 2022 | 30 | 7 | 2 | 0 | YV,UA |
| Nov 2022 | 30 | 1 | 1 | 0 | YV |
| May 2022 | 31 | 5 | 2 | 0 | YV |
| Apr 2022 | 30 | 5 | 1 | 0 | YV |
| Mar 2022 | 57 | 23 | 2 | 1 | UA,YV,YX |
| Feb 2022 | 55 | 13 | 0 | 0 | YV,YX,UA |
| Jan 2022 | 61 | 11 | 10 | 0 | YV,YX |
| Dec 2021 | 62 | 21 | 2 | 0 | UA,YV,YX |
| Nov 2021 | 51 | 8 | 0 | 2 | YV,YX,UA |
| Oct 2021 | 32 | 6 | 1 | 0 | YV,YX |
| Sep 2021 | 30 | 6 | 0 | 0 | YX |
| Aug 2021 | 31 | 9 | 1 | 1 | YX |
| Jul 2021 | 31 | 8 | 0 | 0 | YV,YX |
| Jun 2021 | 31 | 3 | 1 | 0 | YV,YX |
| May 2021 | 58 | 7 | 0 | 1 | UA,YV,YX |
| Apr 2021 | 52 | 6 | 1 | 0 | UA,YV |
| Mar 2021 | 60 | 7 | 3 | 0 | UA,YV,YX |
| Feb 2021 | 48 | 14 | 2 | 0 | YV,YX |
| Jan 2021 | 54 | 5 | 2 | 0 | UA,YV |
| Dec 2020 | 40 | 8 | 1 | 0 | UA,YV |
| Aug 2020 | 31 | 5 | 1 | 0 | YV |
Cancellation Rate
3.4%
34 of 1,011 flights
Diversion Rate
0.6%
6 of 1,011 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →PBI - West Palm Beach/Palm Beach
Full on-time, delay-cause, and seasonal performance for West Palm Beach/Palm Beach, FL.
Destination airport →Compare the two airports
See IAD and PBI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAD–PBI.
Routes with a similar on-time rate
What the Data Says About IAD to PBI
1,072 tracked flights put the IAD to PBI pairing (Washington to West Palm Beach/Palm Beach) at a 80.3% on-time rate, squarely in line with the wider network. Delays that do occur run 79.6 minutes on average. Across the 859-mile route and its 9 carriers, the trailing 24 months show 3.4% cancelled and 0.6% diverted (1,011 flights sampled).
The monthly split is wide on this route: Jan 2021 posted the strongest performance at 91% on-time, while Mar 2022 came in at just 60% - a 31-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.