(UA) United Airlines 4789 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(FNT) Flint Bishop International Airport

Flint, MI, US

On-Time Performance Chart

(using rounded numbers)

On-Time

38%

Late

13%

Very Late

Excessive

29%

Cancelled

13%

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

63.285714285714285

Standard Deviation

Min

Max

208

UA 4789 On-Time Performance Details

Overall Rating

0.1 of 5

Very Poor

Percentage On-Time 38%

Average Delay Time 63.285714285714285 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 38%

This flight has an on-time performance of 38%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.

Delay Performance

0.1 of 5

Very Poor

Average Delay Time 63.285714285714285 min

This flight has an average delay of 63.285714285714285 minutes with a standard deviation of 62 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.