West Palm Beach/Palm Beach (PBI) to Washington (IAD): On-Time Performance
Data through May 2026
West Palm Beach/Palm Beach (PBI) to Washington (IAD) is a thinner route than most in this dataset — 333 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 85% arrived on time, comfortably above the national average of 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 0.91
- last 12 months
- Duration
- 2h 29m
- scheduled
- Distance
- 859 mi
Monthly on-time trend
Best time to fly from PBI to IAD
Aim for departures around 9 a.m. (88% on-time); avoid 6 p.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 90% | 12 min |
| Tuesdaybest | 94% | 4 min |
| Wednesday | 92% | 9 min |
| Thursday | 78% | 12 min |
| Friday | 76% | 20 min |
| Saturday | 91% | 8 min |
| Sunday | 72% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft46%
- Airline operations24%
- National airspace system27%
- Weather3%
Frequently asked questions
- How often are flights from PBI to IAD delayed?
- 15% of PBI–IAD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- What is the best time of day to fly from PBI to IAD?
- Departures around 9 a.m. have the best record (88% on-time), while departures around 6 p.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PBI to IAD?
- The scheduled PBI–IAD flight time averages 2h 29m over 859 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are PBI to IAD flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for PBI to IAD?
- Tuesday flights have the best record at 94% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 72%.
Explore related pages
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Based on 374 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.