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Flight Reliability

UA 4896 · United Airlines

Houston → JAN (IAH–JAN)85% of its flights flew this route. The rest (MFE–IAH) are included in these numbers.

88
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
6 min
Average arrival delay
1.1%
Cancelled
10 min early
Median arrival delay

Based on 357 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 9 AM–12 PM arrived on time 86% of the time, against 82% between 12–3 PM.

Wednesday is the weak spot.

UA 4896 arrived on time 91% of the time on Sundays. On Wednesdays: 79%.

A bit ahead of the IAH–JAN route.

UA 4896 arrived on time 84% of the time, versus 81% across the IAH–JAN route.

A bit ahead of the United Airlines network.

UA 4896 arrived on time 84% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon83%(52 flights)
  • Tue88%(51 flights)
  • Wed79%(52 flights)
  • Thu87%(52 flights)
  • Fri81%(52 flights)
  • Sat84%(51 flights)
  • Sun91%(43 flights)
On-time by departure window
  • 9 AM–12 PM86%(231 flights)
  • 12–3 PM82%(122 flights)
On-time trend by month
77%
May

Jun 79% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%29
July 202582%27
August 202579%28
September 202590%30
October 202587%31
November 202593%28
December 202571%31
January 202690%30
February 202693%28
March 202687%31
April 202686%29
May 202677%31
Departures on time
88%
Diverted
0%
Flights flown
353
Months covered
12

Same route, other flights

Keep nerding

Based on 357 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.