United Airlines IAD to JAX on-time performance
United Airlines nonstop flights from Washington to Jacksonville · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
1.0%
6 flights
Avg arrival delay
12 min
80 min when late
Rank on route
#2 of 3
route average 84% on time
Key facts
- United Airlines flights on IAD to JAX arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was late-arriving aircraft (47%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft47%
- Air traffic control & airport congestion20%
- Airline (crew, maintenance, cleaning, fueling)18%
- Extreme weather15%
- Security0%
Other airlines on IAD to JAX
- Republic Airways89% on time · 4 min avg delay
- Allegiant Air59% on time · 46 min avg delay
Full IAD to JAX comparison →
United Airlines on-time record across all routes →
627 United Airlines flights tracked on this route; 6 cancelled, 1 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.