UA1580

UA1580 (United Airlines) is a multi-stop service on 18 routes, busiest New Orleans to Chicago. Of 527 departures recorded from October 2024 to May 2026, 83.9% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January1326▲ 100.0%
February2228▲ 27.3%
March2931▲ 6.9%
April6031▼ 48.3%
May440▲ 900.0%
June16––
July31––
August31––
September24––
October30–in progress
November25––
December33––
Year to date (Jan–May)128156▲ 21.9%

according to the US BTS · October 2024 → May 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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January100.0%80.8%▼ 19.2%
February90.9%82.1%▼ 9.6%
March69.0%89.7%▲ 30.0%
April81.0%90.0%▲ 11.1%
May100.0%87.5%▼ 12.5%
June87.5%––
July77.4%––
August83.9%––
September87.5%––
October83.3%–in progress
November68.0%––
December75.8%––
Year-to-date average (Jan–May)88.2%86.0%▼ 2.5%

according to the US BTS · October 2024 → May 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → May 2026

Cancelled departures by month

All legs combined
The most recent periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January10▼ 100.0%
February00–
March02–
April21▼ 50.0%
May00–
June0––
July0––
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–May)330.0%

according to the US BTS · October 2024 → May 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 98.9% 521
  • Cancelled 1.1% 6

Share of all recorded flights in the period, all legs. · Oct 27, 2024 → May 20, 2026

On time, leg by leg

  1. MSY–ORD61 91.5%
  2. MYR–ORD54 75.9%
  3. MSN–ORD53 94.2%
  4. MEM–DEN37 97.3%
  5. IAH–MSP37 86.5%
  6. SAN–IAD32 80.0%
  7. IAD–MCO32 78.1%
  8. ORD–PHL31 67.7%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 5 5 100.0% 0
November 2024 30 30 96.7% 0
December 2024 18 18 88.9% 0
January 2025 13 12 100.0% 1
February 2025 22 22 90.9% 0
March 2025 29 29 69.0% 0
April 2025 60 58 81.0% 2
May 2025 4 4 100.0% 0
June 2025 16 16 87.5% 0
July 2025 31 31 77.4% 0
August 2025 31 31 83.9% 0
September 2025 24 24 87.5% 0
October 2025 30 30 83.3% 0
November 2025 25 25 68.0% 0
December 2025 33 33 75.8% 0
January 2026 26 26 80.8% 0
February 2026 28 28 82.1% 0
March 2026 31 29 89.7% 2
April 2026 31 30 90.0% 1
May 2026 40 40 87.5% 0

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