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Flight Reliability

UA 5973 · United Airlines

Chicago → ATW (ORD–ATW)87% of its flights flew this route. The rest (BZN–LAX, GTF–ORD) are included in these numbers.

44
Bring Snacks
WanderNerd Reliability Score
69%
Arrive within 15 minutes
19 min
Average arrival delay
6.0%
Cancelled
1 min
Median arrival delay

Based on 268 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

UA 5973 departing between 12–3 PM arrived on time 86% of the time, versus 58% between 3–6 PM.

Mondays have been rough.

UA 5973 arrived on time 77% of the time on Tuesdays and just 61% on Mondays. That gap is worth planning around.

Lagging the United Airlines network.

UA 5973 arrived on time 69% of the time, versus 79% across the United Airlines network.

Keep a backup plan handy.

UA 5973 was cancelled 6.0% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon61%(33 flights)
  • Tue77%(34 flights)
  • Wed62%(37 flights)
  • Thu74%(34 flights)
  • Fri68%(34 flights)
  • Sat76%(41 flights)
  • Sun67%(36 flights)
On-time by departure window
  • 6–9 AM84%(25 flights)
  • 12–3 PM86%(76 flights)
  • 3–6 PM58%(148 flights)
On-time trend by month
46%
Apr

Jun 85% → Apr 46% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%26
August 202587%15
September 202586%29
October 202590%31
November 202558%24
December 202529%14
January 202652%25
February 202664%28
March 202670%27
April 202646%26
Departures on time
77%
Diverted
1.1%
Flights flown
249
Months covered
11

Same route, other flights

Keep nerding

Based on 268 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.