UA1373

UA1373 (United Airlines) is a multi-stop service on 13 routes, busiest Chicago to Houston. Of 1,071 departures recorded from October 2024 to July 2026, 80.3% 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
January9335▼ 62.4%
February7828▼ 64.1%
March3458▲ 70.6%
April5560▲ 9.1%
May5262▲ 19.2%
June3060▲ 100.0%
July3161▲ 96.8%
August47––
September28––
October29–in progress
November56––
December61––
Year to date (Jan–Jul)373364▼ 2.4%

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
January76.4%80.0%▲ 4.7%
February92.3%78.6%▼ 14.9%
March84.9%76.8%▼ 9.5%
April78.2%81.7%▲ 4.5%
May73.1%80.7%▲ 10.4%
June62.1%75.0%▲ 20.8%
July48.4%80.3%▲ 66.0%
August91.5%––
September100.0%––
October79.3%–in progress
November80.4%––
December88.5%––
Year-to-date average (Jan–Jul)73.6%79.0%▲ 7.3%

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
January40▼ 100.0%
February00–
March12▲ 100.0%
April00–
May00–
June10▼ 100.0%
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)62▼ 66.7%

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% 1,063
  • Cancelled 0.7% 8

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

On time, leg by leg

  1. ORD–IAH270 83.3%
  2. IAH–SAN253 78.3%
  3. IAH–IAD170 72.6%
  4. PHX–IAH148 85.8%
  5. MSY–IAH55 100.0%
  6. SEA–ORD37 78.4%
  7. IAH–DFW37 82.9%
  8. IAH–LGA36 45.7%

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 30 30 80.0% 0
November 2024 30 30 83.3% 0
December 2024 53 53 83.0% 0
January 2025 93 89 76.4% 4
February 2025 78 78 92.3% 0
March 2025 34 33 84.9% 1
April 2025 55 55 78.2% 0
May 2025 52 52 73.1% 0
June 2025 30 29 62.1% 1
July 2025 31 31 48.4% 0
August 2025 47 47 91.5% 0
September 2025 28 28 100.0% 0
October 2025 29 29 79.3% 0
November 2025 56 56 80.4% 0
December 2025 61 61 88.5% 0
January 2026 35 35 80.0% 0
February 2026 28 28 78.6% 0
March 2026 58 56 76.8% 2
April 2026 60 60 81.7% 0
May 2026 62 62 80.7% 0
June 2026 60 60 75.0% 0
July 2026 61 61 80.3% 0

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