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Flight Reliability

UA 291 · United Airlines

Chicago → Hartford (ORD–BDL)81% of its flights flew this route. The rest (MCO–ORD, MCI–ORD) are included in these numbers.

64
A Little Dicey
WanderNerd Reliability Score
66%
Arrive within 15 minutes
21 min
Average arrival delay
1.0%
Cancelled
2 min
Median arrival delay

Based on 308 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

UA 291 departing between 12–3 PM arrived on time 79% of the time, versus 60% between 3–6 PM.

Sunday scaries are real for this one.

UA 291 arrived on time 76% of the time on Tuesdays and just 48% on Sundays. That gap is worth planning around.

Lagging the ORD–BDL route.

UA 291 arrived on time 66% of the time, versus 76% across the ORD–BDL route.

Lagging the United Airlines network.

UA 291 arrived on time 66% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon72%(43 flights)
  • Tue76%(45 flights)
  • Wed76%(45 flights)
  • Thu65%(43 flights)
  • Fri70%(43 flights)
  • Sat59%(41 flights)
  • Sun48%(44 flights)
On-time by departure window
  • 12–3 PM79%(42 flights)
  • 3–6 PM60%(15 flights)
  • 6–9 PM65%(247 flights)
On-time trend by month
73%
Feb

Jun 67% → Feb 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202568%31
August 202561%44
September 202570%30
October 202574%31
November 202563%30
December 202552%31
January 202671%55
February 202673%22
Departures on time
68%
Diverted
0.3%
Flights flown
304
Months covered
9

Same route, other flights

Keep nerding

Based on 308 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.