UA1046

UA1046 (United Airlines) is a multi-stop service on 8 routes, busiest Atlanta to Chicago. Of 660 departures recorded from October 2024 to July 2026, 77.9% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January2836▲ 28.6%
February2628▲ 7.7%
March31310.0%
April30300.0%
May31310.0%
June2930▲ 3.4%
July30300.0%
August31––
September30––
October31–in progress
November29––
December43––
Year to date (Jan–Jul)205216▲ 5.4%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January92.0%77.8%▼ 15.5%
February92.3%85.7%▼ 7.1%
March77.4%62.1%▼ 19.8%
April90.0%82.8%▼ 8.0%
May80.7%77.4%▼ 4.0%
June64.3%72.4%▲ 12.6%
July56.7%72.4%▲ 27.8%
August60.0%––
September93.3%––
October90.3%–in progress
November76.9%––
December62.8%––
Year-to-date average (Jan–Jul)79.0%75.8%▼ 4.1%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January30▼ 100.0%
February00–
March02–
April01–
May00–
June110.0%
July01–
August1––
September0––
October0–in progress
November3––
December0––
Year to date (Jan–Jul)45▲ 25.0%

according to the US BTS · October 2024 → July 2026

This is not a forecast

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

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 98.0% 647
  • Cancelled 2.0% 13

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
ATL ORD Hartsfield Jackson Atlanta International Airport – Chicago O'Hare International Airport 976 23.5 min 78.5% 589
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 24 24 83.3% 0
December 2024 31 31 83.9% 0
January 2025 28 25 92.0% 3
February 2025 26 26 92.3% 0
March 2025 31 31 77.4% 0
April 2025 30 30 90.0% 0
May 2025 31 31 80.7% 0
June 2025 29 28 64.3% 1
July 2025 30 30 56.7% 0
August 2025 31 30 60.0% 1
September 2025 30 30 93.3% 0
October 2025 31 31 90.3% 0
November 2025 29 26 76.9% 3
December 2025 43 43 62.8% 0
January 2026 36 36 77.8% 0
February 2026 28 28 85.7% 0
March 2026 31 29 62.1% 2
April 2026 30 29 82.8% 1
May 2026 31 31 77.4% 0
June 2026 30 29 72.4% 1
July 2026 30 29 72.4% 1

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