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Flight Reliability

UA 4441 · United Airlines

Dayton → Chicago (DAY–ORD)82% of its flights flew this route. The rest (BGR–EWR, FSD–ORD) are included in these numbers.

45
Bring Snacks
WanderNerd Reliability Score
67%
Arrive within 15 minutes
16 min
Average arrival delay
6.7%
Cancelled
1 min
Median arrival delay

Based on 180 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

UA 4441 departing between 6–9 AM arrived on time 89% of the time, versus 62% between 6–9 PM.

Thursdays have been rough.

UA 4441 arrived on time 85% of the time on Saturdays and just 52% on Thursdays. That gap is worth planning around.

A bit behind the DAY–ORD route.

UA 4441 arrived on time 67% of the time, versus 74% across the DAY–ORD route.

Lagging the United Airlines network.

UA 4441 arrived on time 67% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon59%(22 flights)
  • Tue63%(24 flights)
  • Wed64%(25 flights)
  • Thu52%(23 flights)
  • Fri64%(25 flights)
  • Sat85%(26 flights)
  • Sun83%(23 flights)
On-time by departure window
  • 6–9 AM89%(18 flights)
  • 12–3 PM69%(16 flights)
  • 3–6 PM67%(66 flights)
  • 6–9 PM62%(68 flights)
On-time trend by month
72%
May

Nov 42% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202542%26
December 202572%29
February 2026100%17
March 202652%29
April 202670%27
May 202672%29
Departures on time
79%
Diverted
0%
Flights flown
168
Months covered
8

Same route, other flights

Keep nerding

Based on 180 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.