Burlington (BTV) to Washington (IAD): On-Time Performance
Data through July 2026
Burlington (BTV) to Washington (IAD) is a thinner route than most in this dataset — 313 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 90% arrived on time, comfortably above the national average of 78%.
- On-time
- 90%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 2.1%
- Flights/day
- 0.86
- last 12 months
- Duration
- 1h 49m
- scheduled
- Distance
- 441 mi
Best airline from BTV to IAD
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 90% | 10 min | 2.2% | 967 |
| United Airlines | 85% | 7 min | 1.0% | 103 |
Monthly on-time trend
Best time to fly from BTV to IAD
Aim for departures around 12 p.m. (96% on-time); avoid 7 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 90% | 13 min |
| Tuesday | 89% | 10 min |
| Wednesdaybest | 92% | 7 min |
| Thursday | 89% | 14 min |
| Friday | 86% | 12 min |
| Saturday | 91% | 5 min |
| Sundaybest | 92% | 4 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations28%
- National airspace system18%
- Weather2%
Frequently asked questions
- How often are flights from BTV to IAD delayed?
- 10% of BTV–IAD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 10 minutes.
- Which airline is most reliable from BTV to IAD?
- Republic Airways has the best on-time record on this route at 90%, based on 967 flights. 2 airlines flew BTV–IAD frequently enough to compare in this period.
- What is the best time of day to fly from BTV to IAD?
- Departures around 12 p.m. have the best record (96% on-time), while departures around 7 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BTV to IAD?
- The scheduled BTV–IAD flight time averages 1h 49m over 441 miles. Actual arrival times vary — flights on this route land 15+ minutes late 10% of the time.
- How often are BTV to IAD flights cancelled?
- 2.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from BTV to IAD?
- February 2025 was the roughest month in this dataset, with only 75% of arrivals on time. The best was June 2026 at 100%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 1,070 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.