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Flight Reliability

UA 5049 · United Airlines

Houston → PIB (IAH–PIB)83% of its flights flew this route. The rest (PIB–IAH, LAF–ORD) are included in these numbers.

80
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
10 min
Average arrival delay
0.2%
Cancelled
10 min early
Median arrival delay

Based on 430 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

UA 5049 departing between 9 AM–12 PM arrived on time 84% of the time, versus 74% between 6–9 AM.

Skip Tuesday if you can.

UA 5049 arrived on time 79% of the time on Fridays. On Tuesdays: 70%.

It basically never cancels.

Out of 430 scheduled flights, only 0.2% were cancelled.

Slipping a little lately.

UA 5049 arrived on time 67% of the time over the last three months in the data, compared with 71% in the three months before that.

The breakdown

On-time by weekday
  • Mon78%(64 flights)
  • Tue70%(56 flights)
  • Wed76%(62 flights)
  • Thu79%(62 flights)
  • Fri79%(63 flights)
  • Sat74%(57 flights)
  • Sun75%(61 flights)
On-time by departure window
  • 6–9 AM74%(351 flights)
  • 9 AM–12 PM84%(74 flights)
On-time trend by month
74%
May

Jun 68% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%41
July 202581%31
August 202582%62
September 202585%54
October 202586%29
November 202586%29
December 202568%31
January 202670%30
February 202674%27
March 202660%30
April 202667%30
May 202674%31
Departures on time
77%
Diverted
0.9%
Flights flown
425
Months covered
12

Same route, other flights

Keep nerding

Based on 430 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.