PBI to IAD flight delays & on-time performance
Nonstop flights from Palm Beach International Airport to Washington Dulles International Airport · 859 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PBI or IAD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from West Palm Beach/Palm Beach (PBI) to Washington (IAD) arrived on time 84% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.2% were cancelled, and 5% arrived an hour or more late.
- United Airlines was the most punctual airline here (85% on time); Republic Airways was the least (77%).
- Departures scheduled around 9am did best (88% on time); around 6pm did worst (77%).
- Tuesday was the most reliable day to fly (93% on time) and Sunday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (38%).
Which airline is most on time from PBI to IAD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 85% | 1.3% | 11 min | 5.4% | 302 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 77% | 0.0% | 12 min | 6.5% | 31 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am88%132 flights
- 12pm84%77 flights
- 1pm80%93 flights
- 6pm77%31 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday91%6.3% cancelled
- Tuesday93%2.1% cancelled
- Wednesday91%0.0% cancelled
- Thursday76%0.0% cancelled
- Friday75%0.0% cancelled
- Saturday90%0.0% cancelled
- Sunday71%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft38%
- Air traffic control & airport congestion31%
- Airline (crew, maintenance, cleaning, fueling)28%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather75%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion0%
- Security0%
PBI to IAD: common questions
- How often are PBI to IAD flights on time?
- 84% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from West Palm Beach/Palm Beach to Washington cancelled?
- 1.2% of scheduled flights were cancelled (4 of 333).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 65 min behind schedule on average, and 5.5% of flights were an hour or more late.
- How long is taxi time at PBI?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: IAD to PBI — 81% on time
More flights from West Palm Beach/Palm Beach
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PBI → IAD, nonstop flights by US airlines that report to the DOT. How we calculate this.