(UA) United Airlines 5399 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)

On-Time

89%

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.)

72.6

Standard Deviation

135.9

Min

Max

315

UA 5399 On-Time Performance Details

Overall Rating

2.4 of 5

Average

Percentage On-Time 90%

Average Delay Time 72.6 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.

On-Time Performance Rating

4.5 of 5

Good

Percentage On-Time 90%

This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.

Delay Performance

0.3 of 5

Very Poor

Average Delay Time 72.6 min

This flight has an average delay of 72.6 minutes with a standard deviation of 135.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.