Flight Reliability
UA 4922 · United Airlines
ROA → Washington (ROA–IAD)
90
Nerd Approved
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 1.0%
- Cancelled
- 8 min early
- Median arrival delay
Based on 197 historical flights. Data through May 2026.
What the data says
Tuesday is the weak spot.
UA 4922 arrived on time 93% of the time on Fridays. On Tuesdays: 82%.
Better than the United Airlines network average.
UA 4922 arrived on time 86% of the time, versus 79% across the United Airlines network.
Slipping a little lately.
UA 4922 arrived on time 81% of the time over the last three months in the data, compared with 87% in the three months before that.
The breakdown
- Mon87%(30 flights)
- Tue82%(28 flights)
- Wed83%(24 flights)
- Thu85%(26 flights)
- Fri93%(28 flights)
- Sat90%(29 flights)
- Sun83%(30 flights)
89%
May
Jun 83% → May 89% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 77% | 30 |
| August 2025 | 94% | 31 |
| September 2025 | 92% | 24 |
| November 2025 | 90% | 30 |
| December 2025 | 64% | 14 |
| May 2026 | 89% | 27 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 195
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 197 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.