United Airlines IAD to BTV on-time performance
United Airlines nonstop flights from Washington to Burlington · Aug 2025 – Jul 2026
On-time arrivals
68%
arrived < 15 min late
Cancelled
1.3%
1 flights
Avg arrival delay
15 min
43 min when late
Rank on route
#2 of 2
route average 86% on time
Key facts
- United Airlines flights on IAD to BTV arrived on time 68% of the time in Aug 2025 – Jul 2026.
- 1.3% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 86% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (59%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)59%
- Air traffic control & airport congestion27%
- Late-arriving aircraft11%
- Extreme weather3%
- Security0%
Other airlines on IAD to BTV
- Republic Airways89% on time · 10 min avg delay
Full IAD to BTV comparison →
United Airlines on-time record across all routes →
80 United Airlines flights tracked on this route; 1 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.