United Airlines IAD to CMH on-time performance
United Airlines nonstop flights from Washington to Columbus · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.3%
1 flights
Avg arrival delay
10 min
64 min when late
Rank on route
#1 of 2
route average 83% on time
Key facts
- United Airlines flights on IAD to CMH arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 83% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (48%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)48%
- Late-arriving aircraft28%
- Air traffic control & airport congestion17%
- Extreme weather7%
- Security0%
Other airlines on IAD to CMH
- Republic Airways82% on time · 14 min avg delay
Full IAD to CMH comparison →
United Airlines on-time record across all routes →
389 United Airlines flights tracked on this route; 1 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.