Flight Reliability
UA 4268 · United Airlines
MDT → Washington (MDT–IAD)99% of its flights flew this route. The rest (CLE–IAD) are included in these numbers.
82
Pretty Reliable
WanderNerd Reliability Score
- 82%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 1.7%
- Cancelled
- 12 min early
- Median arrival delay
Based on 355 historical flights. Data through May 2026.
What the data says
Skip Monday if you can.
UA 4268 arrived on time 86% of the time on Tuesdays. On Mondays: 75%.
A bit ahead of the United Airlines network.
UA 4268 arrived on time 82% of the time, versus 79% across the United Airlines network.
Trending in the right direction.
UA 4268 arrived on time 87% of the time over the last three months in the data, compared with 76% in the three months before that.
The breakdown
- Mon75%(51 flights)
- Tue86%(51 flights)
- Wed84%(44 flights)
- Thu84%(51 flights)
- Fri82%(51 flights)
- Sat85%(52 flights)
- Sun78%(49 flights)
- 12–3 PM82%(315 flights)
- 3–6 PM79%(34 flights)
80%
May
Jun 72% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 72% | 29 |
| July 2025 | 72% | 25 |
| August 2025 | 86% | 29 |
| September 2025 | 100% | 27 |
| October 2025 | 94% | 31 |
| November 2025 | 70% | 30 |
| December 2025 | 80% | 30 |
| January 2026 | 69% | 29 |
| February 2026 | 79% | 28 |
| March 2026 | 87% | 31 |
| April 2026 | 93% | 30 |
| May 2026 | 80% | 30 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 349
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 355 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.