United Airlines IAD to MCO on-time performance
United Airlines nonstop flights from Washington to Orlando · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.8%
16 flights
Avg arrival delay
13 min
69 min when late
Rank on route
#1 of 2
route average 81% on time
Key facts
- United Airlines flights on IAD to MCO arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (47%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion47%
- Late-arriving aircraft25%
- Airline (crew, maintenance, cleaning, fueling)24%
- Extreme weather4%
- Security0%
Other airlines on IAD to MCO
- Frontier Airlines71% on time · 24 min avg delay
Full IAD to MCO comparison →
United Airlines on-time record across all routes →
1,888 United Airlines flights tracked on this route; 16 cancelled, 8 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.