UA1888

UA1888 (United Airlines) is a multi-stop service on 12 routes, busiest Washington to Chicago. Of 718 departures recorded from October 2024 to July 2026, 81.4% 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
January3157▲ 83.9%
February2638▲ 46.2%
March3555▲ 57.1%
April5230▼ 42.3%
May2529▲ 16.0%
June2627▲ 3.8%
July2730▲ 11.1%
August28––
September29––
October27–in progress
November26––
December26––
Year to date (Jan–Jul)222266▲ 19.8%

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
January87.1%96.5%▲ 10.8%
February76.9%84.2%▲ 9.5%
March85.3%85.5%▲ 0.2%
April84.6%72.4%▼ 14.4%
May80.0%58.6%▼ 26.7%
June87.5%74.1%▼ 15.3%
July40.0%76.7%▲ 91.7%
August80.8%––
September93.1%––
October92.6%–in progress
November68.0%––
December76.9%––
Year-to-date average (Jan–Jul)77.3%78.3%▲ 1.2%

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–
March10▼ 100.0%
April01–
May00–
June20▼ 100.0%
July20▼ 100.0%
August2––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)51▼ 80.0%

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 98.6% 708
  • Cancelled 1.4% 10

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

On time, leg by leg

  1. DCA–ORD366 77.9%
  2. DEN–EGE82 86.6%
  3. TPA–DEN60 95.0%
  4. ORD–MSP53 67.3%
  5. ORD–OMA51 94.1%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 35 35 91.4% 0
November 2024 30 30 93.3% 0
December 2024 29 28 71.4% 1
January 2025 31 31 87.1% 0
February 2025 26 26 76.9% 0
March 2025 35 34 85.3% 1
April 2025 52 52 84.6% 0
May 2025 25 25 80.0% 0
June 2025 26 24 87.5% 2
July 2025 27 25 40.0% 2
August 2025 28 26 80.8% 2
September 2025 29 29 93.1% 0
October 2025 27 27 92.6% 0
November 2025 26 25 68.0% 1
December 2025 26 26 76.9% 0
January 2026 57 57 96.5% 0
February 2026 38 38 84.2% 0
March 2026 55 55 85.5% 0
April 2026 30 29 72.4% 1
May 2026 29 29 58.6% 0
June 2026 27 27 74.1% 0
July 2026 30 30 76.7% 0

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