Flight Reliability
UA 4360 · United Airlines
Washington → Syracuse (IAD–SYR)88% of its flights flew this route. The rest (SGF–IAH, IAD–BDL) are included in these numbers.
81
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 1.8%
- Cancelled
- 6 min early
- Median arrival delay
Based on 281 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
UA 4360 arrived on time 90% of the time on Fridays and just 65% on Thursdays. That gap is worth planning around.
Ticking up lately.
UA 4360 arrived on time 84% of the time over the last three months in the data, compared with 79% in the three months before that.
The breakdown
- Mon76%(42 flights)
- Tue77%(39 flights)
- Wed85%(40 flights)
- Thu65%(40 flights)
- Fri90%(40 flights)
- Sat80%(39 flights)
- Sun89%(36 flights)
- 9 AM–12 PM—(3 flights)
- 12–3 PM80%(263 flights)
- 3–6 PM—(7 flights)
- 9 PM–12 AM—(3 flights)
83%
May
Jun 65% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 23 |
| July 2025 | 73% | 30 |
| August 2025 | 90% | 20 |
| October 2025 | 80% | 25 |
| December 2025 | 70% | 27 |
| January 2026 | 77% | 26 |
| February 2026 | 89% | 27 |
| March 2026 | 77% | 31 |
| April 2026 | 93% | 30 |
| May 2026 | 83% | 23 |
- Departures on time
- 80%
- Diverted
- 0%
- Flights flown
- 276
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 281 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.