Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 5667 · United Airlines

Tulsa → Denver (TUL–DEN)99% of its flights flew this route. The rest (STL–ORD, TUL–ORD) are included in these numbers.

99
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
3 min early
Average arrival delay
0.5%
Cancelled
15 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Mondays have been rough.

UA 5667 arrived on time 100% of the time on Fridays and just 85% on Mondays. That gap is worth planning around.

Better than the TUL–DEN route average.

UA 5667 arrived on time 93% of the time, versus 80% across the TUL–DEN route.

Better than the United Airlines network average.

UA 5667 arrived on time 93% of the time, versus 79% across the United Airlines network.

Slipping a little lately.

UA 5667 arrived on time 91% of the time over the last three months in the data, compared with 94% in the three months before that.

The breakdown

On-time by weekday
  • Mon85%(52 flights)
  • Tue92%(52 flights)
  • Wed92%(51 flights)
  • Thu94%(52 flights)
  • Fri100%(52 flights)
  • Sat98%(51 flights)
  • Sun87%(52 flights)
On-time by departure window
  • 3–6 AM92%(130 flights)
  • 6–9 AM93%(231 flights)
  • 3–6 PM—(1 flights)
On-time trend by month
94%
May

Jun 83% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202590%31
August 202590%31
September 2025100%30
October 202597%31
November 202593%30
December 202590%31
January 202697%29
February 202696%27
March 202690%31
April 202690%30
May 202694%31
Departures on time
93%
Diverted
0%
Flights flown
362
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.