(UA) United Airlines 1223 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-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

30%

Late

30%

Very Late

13%

Excessive

23%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

57.21739130434783

Standard Deviation

64.6

Min

Max

235

UA 1223 On-Time Performance Details

Overall Rating

0.1 of 5

Very Poor

Percentage On-Time 30%

Average Delay Time 57.21739130434783 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 1% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 30%

This flight has an on-time performance of 30%. 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

0.2 of 5

Very Poor

Average Delay Time 57.21739130434783 min

This flight has an average delay of 57.21739130434783 minutes with a standard deviation of 64.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.