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Flight Reliability

UA 6214 · United Airlines

Houston → St. Louis (IAH–STL)88% of its flights flew this route. The rest (IAH–JAX, CMH–IAH) are included in these numbers.

85
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
2 min
Average arrival delay
1.1%
Cancelled
8 min early
Median arrival delay

Based on 275 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

UA 6214 departing between 6–9 AM arrived on time 88% of the time, versus 50% between 12–3 PM.

Tuesdays have been rough.

UA 6214 arrived on time 88% of the time on Sundays and just 71% on Tuesdays. That gap is worth planning around.

A bit ahead of the United Airlines network.

UA 6214 arrived on time 84% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon87%(38 flights)
  • Tue71%(42 flights)
  • Wed82%(38 flights)
  • Thu85%(40 flights)
  • Fri87%(39 flights)
  • Sat87%(31 flights)
  • Sun88%(42 flights)
On-time by departure window
  • 6–9 AM88%(243 flights)
  • 12–3 PM50%(24 flights)
  • 3–6 PM—(3 flights)
On-time trend by month
90%
May

Jun 52% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%25
August 202577%13
September 2025100%26
November 202596%26
December 202583%29
January 202680%25
February 202696%26
March 202674%31
April 202686%29
May 202690%30
Departures on time
87%
Diverted
0.7%
Flights flown
270
Months covered
12

Same route, other flights

Keep nerding

Based on 275 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.