(UA) United Airlines 1223 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

26%

Late

26%

Very Late

11%

Excessive

37%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

59.25

Standard Deviation

60.7

Min

Max

191

UA 1223 On-Time Performance Details

Overall Rating

0.1 of 5

Very Poor

Percentage On-Time 26%

Average Delay Time 59.25 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 26%

This flight has an on-time performance of 26%. 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 59.25 min

This flight has an average delay of 59.25 minutes with a standard deviation of 60.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.