UA1221

UA1221 (United Airlines) is a multi-stop service on 14 routes, busiest Honolulu to Los Angeles. Of 771 departures recorded from October 2024 to July 2026, 87.6% 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
January2841▲ 46.4%
February2628▲ 7.7%
March3133▲ 6.5%
April3031▲ 3.3%
May3145▲ 45.2%
June5530▼ 45.5%
July4831▼ 35.4%
August38––
September43––
October31–in progress
November30––
December58––
Year to date (Jan–Jul)249239▼ 4.0%

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
January100.0%77.5%▼ 22.5%
February84.6%82.1%▼ 2.9%
March100.0%93.9%▼ 6.1%
April93.3%93.6%▲ 0.2%
May93.6%90.9%▼ 2.8%
June83.6%96.7%▲ 15.6%
July79.2%93.3%▲ 17.9%
August86.8%––
September90.7%––
October87.1%–in progress
November93.1%––
December74.1%––
Year-to-date average (Jan–Jul)90.6%89.7%▼ 1.0%

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
January110.0%
February00–
March00–
April00–
May01–
June00–
July01–
August0––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)13▲ 200.0%

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 99.4% 766
  • Cancelled 0.6% 5

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

On time, leg by leg

  1. HNL–LAX542 91.5%
  2. LAX–SFO44 55.8%
  3. SRQ–ORD36 91.7%
  4. IAH–PHL31 96.7%

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 20 100.0% 0
November 2024 31 31 80.7% 0
December 2024 32 32 78.1% 0
January 2025 28 27 100.0% 1
February 2025 26 26 84.6% 0
March 2025 31 31 100.0% 0
April 2025 30 30 93.3% 0
May 2025 31 31 93.6% 0
June 2025 55 55 83.6% 0
July 2025 48 48 79.2% 0
August 2025 38 38 86.8% 0
September 2025 43 43 90.7% 0
October 2025 31 31 87.1% 0
November 2025 30 29 93.1% 1
December 2025 58 58 74.1% 0
January 2026 41 40 77.5% 1
February 2026 28 28 82.1% 0
March 2026 33 33 93.9% 0
April 2026 31 31 93.6% 0
May 2026 45 44 90.9% 1
June 2026 30 30 96.7% 0
July 2026 31 30 93.3% 1

How to read this chart

Loading the guide…