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Flight Reliability

UA 2337 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2337 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

84%
Arrive within 15 minutes
0 min
Average arrival delay
0.7%
Cancelled
9 min early
Median arrival delay

Based on 434 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(63 flights)
  • Tue87%(62 flights)
  • Wed84%(62 flights)
  • Thu86%(64 flights)
  • Fri83%(64 flights)
  • Sat79%(53 flights)
  • Sun81%(63 flights)
On-time by departure window
  • 9 AM–12 PM91%(140 flights)
  • 12–3 PM77%(51 flights)
  • 3–6 PM82%(229 flights)
  • 6–9 PM73%(11 flights)
On-time trend by month
66%
May

Jun 83% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202587%31
August 202586%49
September 202593%40
October 202595%76
November 202579%29
December 202572%29
January 202675%28
February 202686%28
March 202681%31
April 202684%31
May 202666%29
Departures on time
84%
Diverted
0%
Flights flown
431
Months covered
12

Keep nerding

Based on 434 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.