Flight Reliability
UA 228 · United Airlines
Buffalo → Chicago (BUF–ORD)
65
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 2.7%
- Cancelled
- 1 min
- Median arrival delay
Based on 37 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 9 AM–12 PM arrived on time 75% of the time, against 71% between 6–9 AM.
A bit behind the United Airlines network.
UA 228 arrived on time 72% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon—(4 flights)
- Tue—(6 flights)
- Wed—(6 flights)
- Thu—(5 flights)
- Fri—(5 flights)
- Sat—(5 flights)
- Sun—(5 flights)
- 6–9 AM71%(24 flights)
- 9 AM–12 PM75%(12 flights)
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 36
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 37 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.