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Flight Reliability

UA 2170 · United Airlines

Houston → New Orleans (IAH–MSY)80% of its flights flew this route. The rest (SAT–IAH, BZN–IAH) are included in these numbers.

79
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
12 min
Average arrival delay
0.9%
Cancelled
5 min early
Median arrival delay

Based on 453 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

UA 2170 departing between 6–9 PM arrived on time 77% of the time, versus 69% between 3–6 PM.

Thursdays have been rough.

UA 2170 arrived on time 84% of the time on Tuesdays and just 68% on Thursdays. That gap is worth planning around.

Lagging the IAH–MSY route.

UA 2170 arrived on time 76% of the time, versus 83% across the IAH–MSY route.

A bit behind the United Airlines network.

UA 2170 arrived on time 76% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon71%(63 flights)
  • Tue84%(63 flights)
  • Wed84%(62 flights)
  • Thu68%(62 flights)
  • Fri79%(61 flights)
  • Sat72%(68 flights)
  • Sun73%(70 flights)
On-time by departure window
  • 6–9 AM—(4 flights)
  • 12–3 PM—(6 flights)
  • 3–6 PM69%(54 flights)
  • 6–9 PM77%(385 flights)
On-time trend by month
79%
May

Jun 63% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%60
July 202563%60
August 202581%48
September 202583%30
October 202565%31
November 202572%29
December 202584%31
January 202697%31
February 202682%28
March 202687%31
April 202672%32
May 202679%38
Departures on time
73%
Diverted
0%
Flights flown
449
Months covered
12

Same route, other flights

Keep nerding

Based on 453 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.