Flight Reliability
UA 4444 · United Airlines
Newark → Washington (EWR–DCA)82% of its flights flew this route. The rest (IAD–RIC, IAD–DTW) are included in these numbers.
70
Usually Fine
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 3.2%
- Cancelled
- 7 min early
- Median arrival delay
Based on 311 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
UA 4444 departing between 6–9 AM arrived on time 84% of the time, versus 75% between 9 AM–12 PM.
Skip Thursday if you can.
UA 4444 arrived on time 84% of the time on Sundays. On Thursdays: 71%.
Better than the EWR–DCA route average.
UA 4444 arrived on time 77% of the time, versus 64% across the EWR–DCA route.
Keep a backup plan handy.
UA 4444 was cancelled 3.2% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon82%(49 flights)
- Tue81%(48 flights)
- Wed76%(50 flights)
- Thu71%(48 flights)
- Fri71%(49 flights)
- Sat75%(32 flights)
- Sun84%(25 flights)
- 6–9 AM84%(44 flights)
- 9 AM–12 PM75%(253 flights)
- 12–3 PM—(4 flights)
73%
May
Jun 87% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 87% | 30 |
| July 2025 | 70% | 30 |
| August 2025 | 97% | 29 |
| September 2025 | 82% | 27 |
| October 2025 | 60% | 30 |
| November 2025 | 50% | 16 |
| December 2025 | 77% | 17 |
| January 2026 | 80% | 25 |
| February 2026 | 81% | 26 |
| March 2026 | 71% | 24 |
| April 2026 | 84% | 25 |
| May 2026 | 73% | 22 |
- Departures on time
- 84%
- Diverted
- 0%
- Flights flown
- 301
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 311 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.