Flight Reliability
UA 2087 · United Airlines
Denver → Washington (DEN–IAD)93% of its flights flew this route. The rest (ORD–EWR) are included in these numbers.
- 78%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.1%
- Cancelled
- 4 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
UA 2087 departing between 9 AM–12 PM arrived on time 80% of the time, versus 46% between 9 PM–12 AM.
Saturdays have been rough.
UA 2087 arrived on time 84% of the time on Wednesdays and just 66% on Saturdays. That gap is worth planning around.
Recent months have been rougher.
UA 2087 arrived on time 72% of the time over the last three months in the data, compared with 81% in the three months before that.
The breakdown
- Mon75%(52 flights)
- Tue82%(50 flights)
- Wed84%(50 flights)
- Thu80%(51 flights)
- Fri81%(52 flights)
- Sat66%(50 flights)
- Sun77%(51 flights)
- 9 AM–12 PM80%(334 flights)
- 9 PM–12 AM46%(22 flights)
Jun 79% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 28 |
| July 2025 | 61% | 28 |
| August 2025 | 77% | 31 |
| September 2025 | 80% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 80% | 30 |
| December 2025 | 83% | 30 |
| January 2026 | 77% | 30 |
| February 2026 | 82% | 28 |
| March 2026 | 48% | 29 |
| April 2026 | 90% | 30 |
| May 2026 | 77% | 31 |
- Departures on time
- 83%
- Diverted
- 1.4%
- Flights flown
- 356
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.