(UA) United Airlines 4420 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(TUL) Tulsa International Airport

Tulsa, OK, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

58%

Late

17%

Very Late

Excessive

25%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

85.14285714285714

Standard Deviation

107

Min

Max

282

UA 4420 On-Time Performance Details

Overall Rating

0.1 of 5

Very Poor

Percentage On-Time 58%

Average Delay Time 85.14285714285714 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

0.2 of 5

Very Poor

Percentage On-Time 58%

This flight has an on-time performance of 58%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.

Delay Performance

0.0 of 5

Very Poor

Average Delay Time 85.14285714285714 min

This flight has an average delay of 85.14285714285714 minutes with a standard deviation of 107 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.