UA315

UA315 (United Airlines) is a multi-stop service on 8 routes, busiest Fort Lauderdale to Dulles. Of 732 departures recorded from October 2024 to July 2026, 87.7% 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%
February2845▲ 60.7%
March3135▲ 12.9%
April30300.0%
May4131▼ 24.4%
June30300.0%
July31310.0%
August41––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)222233▲ 5.0%

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
January80.0%86.7%▲ 8.3%
February82.1%93.3%▲ 13.6%
March83.9%82.4%▼ 1.8%
April96.7%93.3%▼ 3.5%
May87.8%77.4%▼ 11.8%
June86.7%83.3%▼ 3.9%
July90.3%80.7%▼ 10.7%
August85.4%––
September90.0%––
October87.1%–in progress
November90.0%––
December83.9%––
Year-to-date average (Jan–Jul)86.8%85.3%▼ 1.7%

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
January110.0%
February00–
March01–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)12▲ 100.0%

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 99.6% 729
  • Cancelled 0.4% 3

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

On time, leg by leg

  1. FLL–IAD487 88.3%
  2. IAH–PIT145 84.1%
  3. IAD–SFO33 97.0%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 25 25 100.0% 0
November 2024 56 56 96.4% 0
December 2024 33 33 84.9% 0
January 2025 31 30 80.0% 1
February 2025 28 28 82.1% 0
March 2025 31 31 83.9% 0
April 2025 30 30 96.7% 0
May 2025 41 41 87.8% 0
June 2025 30 30 86.7% 0
July 2025 31 31 90.3% 0
August 2025 41 41 85.4% 0
September 2025 30 30 90.0% 0
October 2025 31 31 87.1% 0
November 2025 30 30 90.0% 0
December 2025 31 31 83.9% 0
January 2026 31 30 86.7% 1
February 2026 45 45 93.3% 0
March 2026 35 34 82.4% 1
April 2026 30 30 93.3% 0
May 2026 31 31 77.4% 0
June 2026 30 30 83.3% 0
July 2026 31 31 80.7% 0

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