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Flight Reliability

UA 2350 · United Airlines

Denver → Syracuse (DEN–SYR)85% of its flights flew this route. The rest (RDM–DEN) are included in these numbers.

82
Pretty Reliable
WanderNerd Reliability Score
77%
Arrive within 15 minutes
9 min
Average arrival delay
0.5%
Cancelled
2 min early
Median arrival delay

Based on 428 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

UA 2350 departing between 12–3 PM arrived on time 92% of the time, versus 74% between 6–9 PM.

Friday is doing you no favors.

UA 2350 arrived on time 85% of the time on Tuesdays and just 69% on Fridays. That gap is worth planning around.

Trending in the right direction.

UA 2350 arrived on time 86% of the time over the last three months in the data, compared with 79% in the three months before that.

The breakdown

On-time by weekday
  • Mon71%(61 flights)
  • Tue85%(61 flights)
  • Wed79%(61 flights)
  • Thu81%(59 flights)
  • Fri69%(61 flights)
  • Sat78%(60 flights)
  • Sun73%(62 flights)
On-time by departure window
  • 12–3 PM92%(64 flights)
  • 3–6 PM74%(327 flights)
  • 6–9 PM74%(34 flights)
On-time trend by month
84%
May

Jun 60% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202542%31
August 202561%31
September 202567%30
October 202584%31
November 202586%29
December 202568%31
January 202679%29
February 202689%28
March 202679%34
April 202695%60
May 202684%61
Departures on time
77%
Diverted
0.2%
Flights flown
425
Months covered
12

Same route, other flights

Keep nerding

Based on 428 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.