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Flight Reliability

UA 2186 · United Airlines

Santa Ana → Newark (SNA–EWR)88% of its flights flew this route. The rest (IAD–SFO, DEN–MSP) are included in these numbers.

91
Nerd Approved
WanderNerd Reliability Score
89%
Arrive within 15 minutes
6 min
Average arrival delay
1.4%
Cancelled
12 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

UA 2186 departing between 9 PM–12 AM arrived on time 92% of the time, versus 56% between 6–9 PM.

Sunday scaries are real for this one.

UA 2186 arrived on time 98% of the time on Saturdays and just 79% on Sundays. That gap is worth planning around.

Better than the SNA–EWR route average.

UA 2186 arrived on time 89% of the time, versus 79% across the SNA–EWR route.

Better than the United Airlines network average.

UA 2186 arrived on time 89% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon88%(50 flights)
  • Tue90%(52 flights)
  • Wed90%(52 flights)
  • Thu90%(50 flights)
  • Fri90%(51 flights)
  • Sat98%(51 flights)
  • Sun79%(52 flights)
On-time by departure window
  • 6–9 AM84%(25 flights)
  • 6–9 PM56%(18 flights)
  • 9 PM–12 AM92%(315 flights)
On-time trend by month
94%
May

Jun 87% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202594%31
August 202574%31
September 202597%30
October 202597%30
November 202589%28
December 202590%30
January 202690%30
February 202696%26
March 202674%31
April 202693%30
May 202694%31
Departures on time
89%
Diverted
0.3%
Flights flown
358
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.