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Flight Reliability

UA 5723 · United Airlines

SBN → Chicago (SBN–ORD)

71
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
27 min
Average arrival delay
1.7%
Cancelled
7 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 3–6 AM arrived on time 82% of the time, against 78% between 6–9 AM.

Mondays have been rough.

UA 5723 arrived on time 92% of the time on Wednesdays and just 65% on Mondays. That gap is worth planning around.

Better than the SBN–ORD route average.

UA 5723 arrived on time 78% of the time, versus 66% across the SBN–ORD route.

Ticking up lately.

UA 5723 arrived on time 75% of the time over the last three months in the data, compared with 69% in the three months before that.

The breakdown

On-time by weekday
  • Mon65%(52 flights)
  • Tue77%(48 flights)
  • Wed92%(50 flights)
  • Thu88%(51 flights)
  • Fri68%(50 flights)
  • Sat79%(52 flights)
  • Sun76%(53 flights)
On-time by departure window
  • 3–6 AM82%(11 flights)
  • 6–9 AM78%(344 flights)
  • 9 AM–12 PM—(1 flights)
On-time trend by month
83%
May

Jun 90% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202574%31
August 202583%30
September 202593%30
October 202574%31
November 202586%29
December 202557%30
January 202670%30
February 202682%27
March 202676%29
April 202666%29
May 202683%30
Departures on time
84%
Diverted
0%
Flights flown
356
Months covered
12

Same route, other flights

Keep nerding

Based on 362 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.