Flight Reliability
UA 4962 · United Airlines
Washington → Greenville (IAD–GSP)
81
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.1%
- Cancelled
- 8 min early
- Median arrival delay
Based on 282 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
UA 4962 arrived on time 96% of the time on Saturdays and just 71% on Fridays. That gap is worth planning around.
A bit ahead of the IAD–GSP route.
UA 4962 arrived on time 81% of the time, versus 77% across the IAD–GSP route.
The breakdown
- Mon79%(43 flights)
- Tue88%(43 flights)
- Wed82%(44 flights)
- Thu79%(43 flights)
- Fri71%(44 flights)
- Sat96%(22 flights)
- Sun76%(38 flights)
77%
May
Jun 85% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 85% | 27 |
| July 2025 | 83% | 30 |
| August 2025 | 74% | 31 |
| September 2025 | 92% | 26 |
| October 2025 | 81% | 31 |
| November 2025 | 77% | 22 |
| December 2025 | 64% | 14 |
| February 2026 | 93% | 14 |
| March 2026 | 65% | 31 |
| April 2026 | 96% | 25 |
| May 2026 | 77% | 26 |
- Departures on time
- 83%
- Diverted
- 0.7%
- Flights flown
- 277
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 282 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.