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WanderNerd

Flight Reliability

UA 5994 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5994 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

86%
Arrive within 15 minutes
3 min early
Average arrival delay
1.6%
Cancelled
10 min early
Median arrival delay

Based on 254 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(36 flights)
  • Tue82%(33 flights)
  • Wed91%(34 flights)
  • Thu89%(36 flights)
  • Fri86%(36 flights)
  • Sat83%(35 flights)
  • Sun89%(37 flights)
On-time by departure window
  • 3–6 AM73%(11 flights)
  • 6–9 AM78%(50 flights)
  • 9 AM–12 PM93%(148 flights)
  • 12–3 PM81%(21 flights)
  • 3–6 PM71%(17 flights)
On-time trend by month
77%
May

Jun 93% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202590%31
August 202594%31
September 202593%30
October 202596%25
December 202575%12
March 202683%24
April 202674%27
May 202677%31
Departures on time
90%
Diverted
1.2%
Flights flown
247
Months covered
11

Based on 254 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.