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Flight Reliability

UA 2398 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2398 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

68%
Arrive within 15 minutes
19 min
Average arrival delay
2.0%
Cancelled
3 min early
Median arrival delay

Based on 456 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(64 flights)
  • Tue72%(65 flights)
  • Wed62%(66 flights)
  • Thu65%(63 flights)
  • Fri73%(64 flights)
  • Sat69%(62 flights)
  • Sun57%(61 flights)
On-time by departure window
  • 6–9 AM92%(24 flights)
  • 3–6 PM70%(89 flights)
  • 6–9 PM67%(298 flights)
  • 9 PM–12 AM50%(34 flights)
On-time trend by month
78%
May

Jun 66% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%47
July 202531%29
August 202558%31
September 202570%30
October 202542%31
November 202559%29
December 202573%30
January 202670%30
February 202681%41
March 202676%37
April 202683%60
May 202678%50
Departures on time
67%
Diverted
0.4%
Flights flown
445
Months covered
12

Keep nerding

Based on 456 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.