UA2133

UA2133 (United Airlines) is a multi-stop service on 22 routes, busiest Chicago to Newark. Of 1,109 departures recorded from October 2024 to July 2026, 71.6% 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
January3460▲ 76.5%
February4039▼ 2.5%
March5531▼ 43.6%
April3059▲ 96.7%
May4928▼ 42.9%
June8730▼ 65.5%
July9231▼ 66.3%
August64––
September59––
October68–in progress
November81––
December42––
Year to date (Jan–Jul)387278▼ 28.2%

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
January79.4%72.9%▼ 8.2%
February85.0%87.2%▲ 2.6%
March79.6%83.3%▲ 4.6%
April55.2%79.7%▲ 44.4%
May59.2%78.6%▲ 32.8%
June62.8%83.3%▲ 32.7%
July58.0%93.3%▲ 60.9%
August59.7%––
September70.7%––
October52.9%–in progress
November72.2%––
December70.7%––
Year-to-date average (Jan–Jul)68.5%82.6%▲ 20.7%

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
January01–
February00–
March110.0%
April10▼ 100.0%
May00–
June10▼ 100.0%
July111▼ 90.9%
August2––
September1––
October0–in progress
November2––
December1––
Year to date (Jan–Jul)143▼ 78.6%

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 97.9% 1,086
  • Cancelled 2.1% 23

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

On time, leg by leg

  1. ORD–EWR275 58.7%
  2. EWR–ORF204 59.8%
  3. AUS–ORD114 86.7%
  4. EWR–MCO73 70.4%
  5. MCI–ORD48 85.1%
  6. IAH–LGA37 91.7%
  7. EWR–RSW36 69.4%
  8. PDX–ORD35 94.1%

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

Legs flown under this number

10
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 25 25 92.0% 0
November 2024 59 59 69.5% 0
December 2024 46 46 87.0% 0
January 2025 34 34 79.4% 0
February 2025 40 40 85.0% 0
March 2025 55 54 79.6% 1
April 2025 30 29 55.2% 1
May 2025 49 49 59.2% 0
June 2025 87 86 62.8% 1
July 2025 92 81 58.0% 11
August 2025 64 62 59.7% 2
September 2025 59 58 70.7% 1
October 2025 68 68 52.9% 0
November 2025 81 79 72.2% 2
December 2025 42 41 70.7% 1
January 2026 60 59 72.9% 1
February 2026 39 39 87.2% 0
March 2026 31 30 83.3% 1
April 2026 59 59 79.7% 0
May 2026 28 28 78.6% 0
June 2026 30 30 83.3% 0
July 2026 31 30 93.3% 1

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