Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 4776 · United Airlines

GSO → Chicago (GSO–ORD)95% of its flights flew this route. The rest (DEN–FSD, LIT–ORD) are included in these numbers.

43
Bring Snacks
WanderNerd Reliability Score
64%
Arrive within 15 minutes
26 min
Average arrival delay
4.3%
Cancelled
4 min
Median arrival delay

Based on 350 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

UA 4776 departing between 3–6 PM arrived on time 65% of the time, versus 50% between 6–9 PM.

Friday is doing you no favors.

UA 4776 arrived on time 69% of the time on Wednesdays and just 53% on Fridays. That gap is worth planning around.

Lagging the GSO–ORD route.

UA 4776 arrived on time 64% of the time, versus 78% across the GSO–ORD route.

Well behind the United Airlines network.

UA 4776 arrived on time 64% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon64%(47 flights)
  • Tue69%(45 flights)
  • Wed69%(52 flights)
  • Thu68%(47 flights)
  • Fri53%(49 flights)
  • Sat60%(47 flights)
  • Sun62%(45 flights)
On-time by departure window
  • 3–6 PM65%(308 flights)
  • 6–9 PM50%(24 flights)
On-time trend by month
80%
May

Jun 48% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%21
July 202548%31
August 202586%28
September 202580%30
October 202571%31
November 202550%26
December 202558%31
January 202643%28
February 202664%28
March 202669%26
April 202663%27
May 202680%25
Departures on time
79%
Diverted
0.9%
Flights flown
332
Months covered
12

Same route, other flights

Keep nerding

Based on 350 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.