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Flight Reliability

UA 5828 · United Airlines

SBN → Chicago (SBN–ORD)91% of its flights flew this route. The rest (ATW–ORD, DEN–DSM) are included in these numbers.

32
Bring Snacks
WanderNerd Reliability Score
52%
Arrive within 15 minutes
35 min
Average arrival delay
3.9%
Cancelled
14 min
Median arrival delay

Based on 207 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

UA 5828 departing between 3–6 AM arrived on time 93% of the time, versus 48% between 6–9 PM.

Thursdays have been rough.

UA 5828 arrived on time 63% of the time on Fridays and just 35% on Thursdays. That gap is worth planning around.

Lagging the SBN–ORD route.

UA 5828 arrived on time 52% of the time, versus 66% across the SBN–ORD route.

Well behind the United Airlines network.

UA 5828 arrived on time 52% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon48%(31 flights)
  • Tue52%(31 flights)
  • Wed54%(26 flights)
  • Thu35%(26 flights)
  • Fri63%(24 flights)
  • Sat57%(28 flights)
  • Sun58%(33 flights)
On-time by departure window
  • 3–6 AM93%(14 flights)
  • 6–9 AM—(5 flights)
  • 6–9 PM48%(180 flights)
On-time trend by month
93%
May

Jun 53% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202531%29
August 202541%29
September 202550%28
October 202561%28
November 202557%21
December 202530%10
May 202693%14
Departures on time
68%
Diverted
0%
Flights flown
199
Months covered
10

Same route, other flights

Keep nerding

Based on 207 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.