(UA) United Airlines 1851 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

91%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

17.714285714285715

Standard Deviation

18.8

Min

Max

UA 1851 On-Time Performance Details

Overall Rating

4.3 of 5

Good

Percentage On-Time 91%

Average Delay Time 17.714285714285715 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.

On-Time Performance Rating

4.8 of 5

Very Good

Percentage On-Time 91%

This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.

Delay Performance

3.8 of 5

Good

Average Delay Time 17.714285714285715 min

This flight has an average delay of 17.714285714285715 minutes with a standard deviation of 18.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.