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Flight Reliability

UA 5780 · United Airlines

Memphis → Chicago (MEM–ORD)92% of its flights flew this route. The rest (GRB–ORD) are included in these numbers.

60
A Little Dicey
WanderNerd Reliability Score
71%
Arrive within 15 minutes
22 min
Average arrival delay
2.0%
Cancelled
2 min early
Median arrival delay

Based on 302 historical flights. Data through May 2026.

What the data says

3–6 PM has a slight edge.

Departures between 3–6 PM arrived on time 75% of the time, against 70% between 12–3 PM.

Friday is doing you no favors.

UA 5780 arrived on time 79% of the time on Tuesdays. On Fridays: 65%.

A bit behind the MEM–ORD route.

UA 5780 arrived on time 71% of the time, versus 76% across the MEM–ORD route.

Lagging the United Airlines network.

UA 5780 arrived on time 71% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon69%(42 flights)
  • Tue79%(42 flights)
  • Wed68%(41 flights)
  • Thu76%(42 flights)
  • Fri65%(43 flights)
  • Sat73%(41 flights)
  • Sun66%(41 flights)
On-time by departure window
  • 6–9 AM74%(19 flights)
  • 12–3 PM70%(257 flights)
  • 3–6 PM75%(16 flights)
On-time trend by month
68%
May

Jun 69% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202562%29
August 202569%29
September 202593%29
October 202594%31
November 202571%28
December 202569%29
March 202668%22
April 202643%30
May 202668%31
Departures on time
79%
Diverted
1.3%
Flights flown
292
Months covered
11

Same route, other flights

Keep nerding

Based on 302 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.