UA2343

UA2343 (United Airlines) is a multi-stop service on 16 routes, busiest San Diego to Chicago. Of 934 departures recorded from October 2024 to July 2026, 87.8% 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
January31310.0%
February2841▲ 46.4%
March3160▲ 93.5%
April6030▼ 50.0%
May6242▼ 32.3%
June6054▼ 10.0%
July6231▼ 50.0%
August70––
September49––
October56–in progress
November24––
December31––
Year to date (Jan–Jul)334289▼ 13.5%

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
January90.3%87.1%▼ 3.6%
February100.0%95.1%▼ 4.9%
March83.9%81.0%▼ 3.4%
April81.7%90.0%▲ 10.2%
May83.9%85.7%▲ 2.2%
June86.7%96.2%▲ 11.0%
July93.4%90.0%▼ 3.7%
August84.3%––
September93.9%––
October80.0%–in progress
November95.7%––
December87.1%––
Year-to-date average (Jan–Jul)88.5%89.3%▲ 0.9%

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–
March02–
April00–
May00–
June01–
July110.0%
August0––
September0––
October1–in progress
November1––
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 99.3% 927
  • Cancelled 0.7% 7

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

On time, leg by leg

  1. SAN–ORD361 93.0%
  2. EWR–RSW91 81.3%
  3. ORD–SYR72 87.3%
  4. ORD–EWR58 98.3%
  5. ORD–IND54 85.2%
  6. ORD–BNA45 68.2%
  7. MIA–IAH37 89.2%
  8. SLC–ORD35 97.1%

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

Legs flown under this number

12
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 30 30 90.0% 0
December 2024 31 31 80.7% 0
January 2025 31 31 90.3% 0
February 2025 28 28 100.0% 0
March 2025 31 31 83.9% 0
April 2025 60 60 81.7% 0
May 2025 62 62 83.9% 0
June 2025 60 60 86.7% 0
July 2025 62 61 93.4% 1
August 2025 70 70 84.3% 0
September 2025 49 49 93.9% 0
October 2025 56 55 80.0% 1
November 2025 24 23 95.7% 1
December 2025 31 31 87.1% 0
January 2026 31 31 87.1% 0
February 2026 41 41 95.1% 0
March 2026 60 58 81.0% 2
April 2026 30 30 90.0% 0
May 2026 42 42 85.7% 0
June 2026 54 53 96.2% 1
July 2026 31 30 90.0% 1

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