Flight Reliability
UA 6261 · United Airlines
Washington → Buffalo (IAD–BUF)83% of its flights flew this route. The rest (MKE–IAH, CRP–IAH) are included in these numbers.
84
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.3%
- Cancelled
- 9 min early
- Median arrival delay
Based on 75 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
UA 6261 arrived on time 91% of the time on Tuesdays and just 74% on Fridays. That gap is worth planning around.
The breakdown
- Mon82%(17 flights)
- Tue91%(11 flights)
- Wed—(1 flights)
- Thu88%(17 flights)
- Fri74%(19 flights)
- Sat—(1 flights)
- Sun—(8 flights)
- 6–9 AM80%(61 flights)
- 12–3 PM—(3 flights)
- 3–6 PM—(8 flights)
- 9 PM–12 AM—(2 flights)
80%
Sep
Jun 68% → Sep 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 19 |
| July 2025 | 81% | 16 |
| August 2025 | 94% | 16 |
| September 2025 | 80% | 10 |
- Departures on time
- 81%
- Diverted
- 0%
- Flights flown
- 74
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 75 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.