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Flight Reliability

UA 5274 · United Airlines

Chicago → SBN (ORD–SBN)92% of its flights flew this route. The rest (CRW–ORD) are included in these numbers.

53
A Little Dicey
WanderNerd Reliability Score
70%
Arrive within 15 minutes
26 min
Average arrival delay
4.2%
Cancelled
1 min
Median arrival delay

Based on 361 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

UA 5274 arrived on time 78% of the time on Fridays and just 55% on Sundays. That gap is worth planning around.

A bit ahead of the ORD–SBN route.

UA 5274 arrived on time 70% of the time, versus 63% across the ORD–SBN route.

Lagging the United Airlines network.

UA 5274 arrived on time 70% of the time, versus 79% across the United Airlines network.

Keep a backup plan handy.

UA 5274 was cancelled 4.2% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon69%(48 flights)
  • Tue75%(51 flights)
  • Wed76%(50 flights)
  • Thu67%(48 flights)
  • Fri78%(50 flights)
  • Sat70%(50 flights)
  • Sun55%(49 flights)
On-time by departure window
  • 9 AM–12 PM71%(28 flights)
  • 9 PM–12 AM70%(318 flights)
On-time trend by month
77%
May

Jun 60% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202560%30
August 202566%29
September 202587%30
October 202571%31
November 202573%26
December 202565%26
January 202671%28
February 202668%28
March 202672%29
April 202669%29
May 202677%30
Departures on time
70%
Diverted
0%
Flights flown
346
Months covered
12

Same route, other flights

Keep nerding

Based on 361 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.