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Flight Reliability

UA 2188 · United Airlines

Denver → Fort Lauderdale (DEN–FLL)82% of its flights flew this route. The rest (DEN–TPA, FLL–EWR) are included in these numbers.

81
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
10 min
Average arrival delay
0.5%
Cancelled
4 min early
Median arrival delay

Based on 399 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

UA 2188 departing between 9 AM–12 PM arrived on time 86% of the time, versus 27% between 6–9 PM.

Friday is doing you no favors.

UA 2188 arrived on time 87% of the time on Mondays. On Fridays: 72%.

Ticking up lately.

UA 2188 arrived on time 87% of the time over the last three months in the data, compared with 83% in the three months before that.

The breakdown

On-time by weekday
  • Mon87%(53 flights)
  • Tue79%(56 flights)
  • Wed82%(56 flights)
  • Thu81%(58 flights)
  • Fri72%(54 flights)
  • Sat75%(57 flights)
  • Sun83%(58 flights)
On-time by departure window
  • 9 AM–12 PM86%(322 flights)
  • 3–6 PM73%(37 flights)
  • 6–9 PM27%(33 flights)
On-time trend by month
94%
May

Jun 76% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%33
July 202558%59
August 202574%31
September 202580%30
October 202597%31
November 202587%30
December 202577%31
January 202680%30
February 202693%27
March 202679%29
April 202687%30
May 202694%31
Departures on time
82%
Diverted
1.3%
Flights flown
392
Months covered
12

Same route, other flights

Keep nerding

Based on 399 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.