(UA) United Airlines 3521 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(CID) The Eastern Iowa Airport

Cedar Rapids, IA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

83%

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.)

103.28571428571429

Standard Deviation

126.6

Min

Max

358

UA 3521 On-Time Performance Details

Overall Rating

2.2 of 5

Average

Percentage On-Time 83%

Average Delay Time 103.28571428571429 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.

On-Time Performance Rating

4.4 of 5

Good

Percentage On-Time 83%

This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.

Delay Performance

0.0 of 5

Very Poor

Average Delay Time 103.28571428571429 min

This flight has an average delay of 103.28571428571429 minutes with a standard deviation of 126.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.