UA356

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

83.2%

UA356, operated by United Airlines, flies 19 different airport pairs — it is a multi-leg service. Across all 1,182 recorded departures, 83.2% left on time; the legs differ and are listed below.

domestic flights only sample 1,182 departures · arrival delay, measured at the gate
This number flies several legs

Because this number covers several legs, the headline figure is an average across all of them. Read the leg table for the one you are flying.

83.2%on time
9.9 minaverage delay
1.0%cancelled
1,182recorded departures

These charts combine all legs flown under this number. Changes in the mix of legs can affect the monthly figures; consult the leg table below.

On-time departures by month

All legs combined

On time means departing no more than 15 minutes after schedule. Monthly punctuality uses only non-cancelled flights with a recorded departure delay; flights with missing times are excluded. Each month reflects the records available from the source.

according to us_bts_otp · 2024-09 → 2026-06

Recorded departures by month

All legs combined

according to us_bts_otp · 2024-09 → 2026-06

Cancellation share

  • Not cancelled 99.0% 1,170
  • Cancelled 1.0% 12

Share of all recorded flights over the period shown, including every leg. Not cancelled does not necessarily mean on time.

according to us_bts_otp · 2024-09-01 → 2026-06-30

Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
September 2024 32 32 87.5% 0
October 2024 80 80 88.8% 0
November 2024 59 59 76.3% 0
December 2024 36 36 77.8% 0
January 2025 52 50 94.0% 2
February 2025 52 52 88.5% 0
March 2025 51 51 76.5% 0
April 2025 75 73 68.5% 2
May 2025 41 41 95.1% 0
June 2025 59 59 81.4% 0
July 2025 62 62 83.9% 0
August 2025 62 61 82.0% 1
September 2025 54 54 94.4% 0
October 2025 41 41 75.6% 0
November 2025 80 76 85.5% 4
December 2025 33 33 66.7% 0
January 2026 31 31 67.7% 0
February 2026 43 43 88.4% 0
March 2026 57 55 78.2% 2
April 2026 60 59 83.1% 1
May 2026 62 62 87.1% 0
June 2026 60 60 93.3% 0

Legs flown under this number

9
9 of 9
RoutesDistance (km)Avg delay On timeDepartures
ORD ATL Chicago O'Hare International Airport – Hartsfield Jackson Atlanta International Airport 976 13.4 min 78.2% 466
MSP ORD Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Chicago O'Hare International Airport 537 2.1 min 91.7% 145
PHX ORD Phoenix Sky Harbor International Airport – Chicago O'Hare International Airport 2,313 3.3 min 93.4% 136
ONT ORD Ontario International Airport – Chicago O'Hare International Airport 2,730 4.1 min 86.5% 89
SJC ORD Mineta San Jose International Airport – Chicago O'Hare International Airport 2,937 -1.3 min 95.9% 74
ORD LGA Chicago O'Hare International Airport – LaGuardia Airport 1,177 8.8 min 85.4% 48
ORD EWR Chicago O'Hare International Airport – Newark Liberty International Airport 1,154 27.0 min 61.1% 36
ORD DCA Chicago O'Hare International Airport – Ronald Reagan Washington National Airport 983 14.8 min 76.5% 34
ORD BNA Chicago O'Hare International Airport – Nashville International Airport 660 3.7 min 90.3% 32