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Flight Reliability

UA 1529 · United Airlines

Newark → Charlotte Amalie (EWR–STT)

80
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
0 min
Average arrival delay
2.0%
Cancelled
10 min early
Median arrival delay

Based on 248 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

UA 1529 departing between 9 AM–12 PM arrived on time 89% of the time, versus 81% between 6–9 AM.

Tuesday is the weak spot.

UA 1529 arrived on time 89% of the time on Mondays. On Tuesdays: 76%.

A bit ahead of the United Airlines network.

UA 1529 arrived on time 83% of the time, versus 79% across the United Airlines network.

Ticking up lately.

UA 1529 arrived on time 85% of the time over the last three months in the data, compared with 79% in the three months before that.

The breakdown

On-time by weekday
  • Mon89%(28 flights)
  • Tue76%(29 flights)
  • Wed83%(29 flights)
  • Thu79%(29 flights)
  • Fri86%(29 flights)
  • Sat88%(50 flights)
  • Sun81%(47 flights)
On-time by departure window
  • 6–9 AM81%(160 flights)
  • 9 AM–12 PM89%(81 flights)
On-time trend by month
83%
May

Oct 92% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202592%13
November 202577%30
December 202577%31
January 202682%28
February 202677%26
March 202687%31
April 202683%30
May 202683%24
Departures on time
86%
Diverted
0.8%
Flights flown
241
Months covered
12

Keep nerding

Based on 248 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.