UA1797

UA1797 (United Airlines) is a multi-stop service on 8 routes, busiest Houston to Newark. Of 898 departures recorded from October 2024 to July 2026, 86.1% 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
January3336▲ 9.1%
February2645▲ 73.1%
March3162▲ 100.0%
April3060▲ 100.0%
May3162▲ 100.0%
June3560▲ 71.4%
July5661▲ 8.9%
August45––
September27––
October31–in progress
November30––
December45––
Year to date (Jan–Jul)242386▲ 59.5%

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
January78.8%85.7%▲ 8.8%
February76.9%69.8%▼ 9.3%
March87.1%87.1%0.0%
April90.0%85.0%▼ 5.6%
May93.6%95.1%▲ 1.6%
June82.4%96.7%▲ 17.4%
July75.0%91.5%▲ 22.0%
August71.1%––
September81.5%––
October96.8%–in progress
November93.3%––
December84.4%––
Year-to-date average (Jan–Jul)83.4%87.3%▲ 4.7%

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–
February02–
March00–
April00–
May01–
June10▼ 100.0%
July02–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)16▲ 500.0%

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 99.2% 891
  • Cancelled 0.8% 7

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

On time, leg by leg

  1. IAH–EWR352 94.0%
  2. EWR–DJT313 76.3%
  3. EWR–RDU101 86.1%
  4. FLL–IAD53 88.7%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 30 30 86.7% 0
December 2024 42 42 90.5% 0
January 2025 33 33 78.8% 0
February 2025 26 26 76.9% 0
March 2025 31 31 87.1% 0
April 2025 30 30 90.0% 0
May 2025 31 31 93.6% 0
June 2025 35 34 82.4% 1
July 2025 56 56 75.0% 0
August 2025 45 45 71.1% 0
September 2025 27 27 81.5% 0
October 2025 31 31 96.8% 0
November 2025 30 30 93.3% 0
December 2025 45 45 84.4% 0
January 2026 36 35 85.7% 1
February 2026 45 43 69.8% 2
March 2026 62 62 87.1% 0
April 2026 60 60 85.0% 0
May 2026 62 61 95.1% 1
June 2026 60 60 96.7% 0
July 2026 61 59 91.5% 2

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