Flight Reliability
UA 4888 · United Airlines
Syracuse → Washington (SYR–IAD)98% of its flights flew this route. The rest (IAH–HSV) are included in these numbers.
87
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 121 historical flights. Data through May 2026.
What the data says
Skip Wednesday if you can.
UA 4888 arrived on time 85% of the time on Saturdays. On Wednesdays: 74%.
It basically never cancels.
Out of 121 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon75%(16 flights)
- Tue84%(19 flights)
- Wed74%(19 flights)
- Thu79%(19 flights)
- Fri79%(19 flights)
- Sat85%(20 flights)
- Sun—(9 flights)
- 9 AM–12 PM81%(119 flights)
- 9 PM–12 AM—(2 flights)
90%
Apr
Jun 67% → Apr 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 21 |
| July 2025 | 85% | 27 |
| August 2025 | 73% | 15 |
| March 2026 | 82% | 27 |
| April 2026 | 90% | 29 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 121
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 121 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.