Flight Reliability
UA 1120 · United Airlines
Denver → Grand Rapids (DEN–GRR)97% of its flights flew this route. The rest (LAX–AUS) are included in these numbers.
100
Nerd Approved
WanderNerd Reliability Score
- 92%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 0%
- Cancelled
- 3 min early
- Median arrival delay
Based on 38 historical flights. Data through May 2026.
What the data says
Well ahead of the DEN–GRR route.
UA 1120 arrived on time 92% of the time, versus 75% across the DEN–GRR route.
Better than the United Airlines network average.
UA 1120 arrived on time 92% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon—(5 flights)
- Tue—(6 flights)
- Wed—(7 flights)
- Thu—(5 flights)
- Fri—(5 flights)
- Sat—(5 flights)
- Sun—(5 flights)
- 9 AM–12 PM92%(37 flights)
- 3–6 PM—(1 flights)
- Departures on time
- 95%
- Diverted
- 0%
- Flights flown
- 38
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 38 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.