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Flight Reliability

UA 5029 · United Airlines

JST → Chicago (JST–ORD)81% of its flights flew this route. The rest (ORD–MCW, ORD–DEC) are included in these numbers.

32
Bring Snacks
WanderNerd Reliability Score
66%
Arrive within 15 minutes
44 min
Average arrival delay
5.4%
Cancelled
0 min
Median arrival delay

Based on 447 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

UA 5029 departing between 12–3 PM arrived on time 68% of the time, versus 56% between 3–6 PM.

Mondays have been rough.

UA 5029 arrived on time 77% of the time on Saturdays and just 58% on Mondays. That gap is worth planning around.

Lagging the United Airlines network.

UA 5029 arrived on time 66% of the time, versus 79% across the United Airlines network.

Keep a backup plan handy.

UA 5029 was cancelled 5.4% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon58%(64 flights)
  • Tue73%(51 flights)
  • Wed65%(63 flights)
  • Thu60%(60 flights)
  • Fri69%(65 flights)
  • Sat77%(51 flights)
  • Sun65%(65 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM—(3 flights)
  • 12–3 PM68%(338 flights)
  • 3–6 PM56%(77 flights)
On-time trend by month
60%
May

Jun 67% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202561%31
August 202577%30
September 202585%33
October 202597%31
November 202561%28
December 202547%36
January 202660%47
February 202665%34
March 202664%28
April 202661%46
May 202660%45
Departures on time
70%
Diverted
0.9%
Flights flown
419
Months covered
12

Keep nerding

Based on 447 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.