Route Reliability
West Palm Beach → Washington
PBI–IAD · 859 miles · Palm Beach International Airport to Washington Dulles International Airport
- 85%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 1.2%
- Cancelled
- 333
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 85% of the time across 333 flights. No comparison to make.
What the data says
Morning flights do better here.
PBI–IAD flights departing between 9 AM–12 PM arrived on time 89% of the time, versus 77% between 6–9 PM.
Sunday scaries are real for this one.
PBI–IAD flights arrived on time 94% of the time on Tuesdays and just 73% on Sundays. That gap is worth planning around.
Ticking up lately.
PBI–IAD flights arrived on time 89% of the time over the last three months in the data, compared with 84% in the three months before that.
Flights on this route
The breakdown
- Mon93%(45 flights)
- Tue94%(46 flights)
- Wed92%(47 flights)
- Thu76%(46 flights)
- Fri75%(48 flights)
- Sat90%(48 flights)
- Sun73%(48 flights)
- 9 AM–12 PM89%(130 flights)
- 12–3 PM82%(167 flights)
- 6–9 PM77%(31 flights)
Oct 81% → May 95% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 81% | 31 |
| November 2025 | 79% | 28 |
| December 2025 | 82% | 44 |
| January 2026 | 80% | 35 |
| February 2026 | 89% | 45 |
| March 2026 | 90% | 60 |
| April 2026 | 83% | 59 |
| May 2026 | 95% | 20 |
Same trip, other airports
Keep nerding
Based on 333 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.