(UA) United Airlines 1503 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

75%

Late

13%

Very Late

Excessive

13%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

59.5

Standard Deviation

92.5

Min

Max

198

UA 1503 On-Time Performance Details

Overall Rating

1.7 of 5

Average

Percentage On-Time 75%

Average Delay Time 59.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 33% of all other flights in the FlightStats database.

On-Time Performance Rating

2.5 of 5

Average

Percentage On-Time 75%

This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.

Delay Performance

0.9 of 5

Poor

Average Delay Time 59.5 min

This flight has an average delay of 59.5 minutes with a standard deviation of 92.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.