UA1641

UA1641 (United Airlines) is a multi-stop service on 15 routes, busiest Chicago to Cleveland. Of 892 departures recorded from October 2024 to July 2026, 71.1% 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
January3727▼ 27.0%
February2826▼ 7.1%
March2658▲ 123.1%
April4755▲ 17.0%
May3135▲ 12.9%
June3533▼ 5.7%
July6058▼ 3.3%
August55––
September50––
October34–in progress
November57––
December48––
Year to date (Jan–Jul)264292▲ 10.6%

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
January78.4%63.0%▼ 19.7%
February96.4%69.2%▼ 28.2%
March73.1%67.2%▼ 8.0%
April78.7%70.9%▼ 9.9%
May87.1%77.1%▼ 11.4%
June65.7%80.7%▲ 22.7%
July50.9%76.8%▲ 51.0%
August65.4%––
September68.0%––
October67.7%–in progress
November59.3%––
December64.6%––
Year-to-date average (Jan–Jul)75.8%72.1%▼ 4.8%

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
January00–
February00–
March00–
April00–
May00–
June02–
July12▲ 100.0%
August3––
September0––
October0–in progress
November3––
December0––
Year to date (Jan–Jul)14▲ 300.0%

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 98.8% 881
  • Cancelled 1.2% 11

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

On time, leg by leg

  1. ORD–CLE291 60.4%
  2. SNA–ORD218 85.3%
  3. PDX–ORD93 85.0%
  4. ORD–LAX59 57.6%
  5. JAC–ORD37 89.2%
  6. CHS–ORD36 73.5%
  7. ORD–CMH35 23.5%
  8. MCI–ORD30 67.9%

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 28 28 71.4% 0
November 2024 21 21 81.0% 0
December 2024 43 43 81.4% 0
January 2025 37 37 78.4% 0
February 2025 28 28 96.4% 0
March 2025 26 26 73.1% 0
April 2025 47 47 78.7% 0
May 2025 31 31 87.1% 0
June 2025 35 35 65.7% 0
July 2025 60 59 50.9% 1
August 2025 55 52 65.4% 3
September 2025 50 50 68.0% 0
October 2025 34 34 67.7% 0
November 2025 57 54 59.3% 3
December 2025 48 48 64.6% 0
January 2026 27 27 63.0% 0
February 2026 26 26 69.2% 0
March 2026 58 58 67.2% 0
April 2026 55 55 70.9% 0
May 2026 35 35 77.1% 0
June 2026 33 31 80.7% 2
July 2026 58 56 76.8% 2

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