Flight Reliability
UA 4942 · United Airlines
Albany → Washington (ALB–IAD)
40
Bring Snacks
WanderNerd Reliability Score
- 58%
- Arrive within 15 minutes
- 41 min
- Average arrival delay
- 2.2%
- Cancelled
- 9 min
- Median arrival delay
Based on 357 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
UA 4942 arrived on time 65% of the time on Fridays and just 45% on Sundays. That gap is worth planning around.
Lagging the ALB–IAD route.
UA 4942 arrived on time 58% of the time, versus 71% across the ALB–IAD route.
Well behind the United Airlines network.
UA 4942 arrived on time 58% of the time, versus 79% across the United Airlines network.
Trending in the right direction.
UA 4942 arrived on time 70% of the time over the last three months in the data, compared with 50% in the three months before that.
The breakdown
- Mon62%(50 flights)
- Tue62%(50 flights)
- Wed60%(50 flights)
- Thu59%(51 flights)
- Fri65%(52 flights)
- Sat52%(44 flights)
- Sun45%(51 flights)
83%
May
Jun 31% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 31% | 29 |
| July 2025 | 38% | 24 |
| August 2025 | 64% | 28 |
| September 2025 | 73% | 30 |
| October 2025 | 61% | 31 |
| November 2025 | 63% | 30 |
| December 2025 | 31% | 29 |
| January 2026 | 45% | 29 |
| February 2026 | 75% | 28 |
| March 2026 | 48% | 31 |
| April 2026 | 80% | 30 |
| May 2026 | 83% | 29 |
- Departures on time
- 69%
- Diverted
- 0.3%
- Flights flown
- 348
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 357 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.