AA1178

AA1178 (American Airlines) is a multi-stop service on 13 routes, busiest Washington to Miami. Of 691 departures recorded from October 2024 to July 2026, 84.8% 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
January6231▼ 50.0%
February4028▼ 30.0%
March2825▼ 10.7%
April3029▼ 3.3%
May31310.0%
June30300.0%
July30300.0%
August31––
September30––
October9–in progress
November26––
December15––
Year to date (Jan–Jul)251204▼ 18.7%

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
January83.6%93.3%▲ 11.6%
February80.0%85.7%▲ 7.1%
March80.8%80.0%▼ 1.0%
April90.0%82.8%▼ 8.0%
May89.7%83.9%▼ 6.5%
June96.6%89.7%▼ 7.1%
July88.9%85.7%▼ 3.6%
August90.3%––
September93.3%––
October88.9%–in progress
November84.6%––
December73.3%––
Year-to-date average (Jan–Jul)87.1%85.9%▼ 1.4%

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–
March20▼ 100.0%
April00–
May20▼ 100.0%
June110.0%
July32▼ 33.3%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)94▼ 55.6%

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 98.1% 678
  • Cancelled 1.9% 13

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

On time, leg by leg

  1. DCA–MIA328 89.7%
  2. LAX–ORD90 86.5%
  3. CLT–SDF77 88.3%
  4. SDF–CLT76 86.7%

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 90.0% 0
November 2024 47 47 87.2% 0
December 2024 58 58 65.5% 0
January 2025 62 61 83.6% 1
February 2025 40 40 80.0% 0
March 2025 28 26 80.8% 2
April 2025 30 30 90.0% 0
May 2025 31 29 89.7% 2
June 2025 30 29 96.6% 1
July 2025 30 27 88.9% 3
August 2025 31 31 90.3% 0
September 2025 30 30 93.3% 0
October 2025 9 9 88.9% 0
November 2025 26 26 84.6% 0
December 2025 15 15 73.3% 0
January 2026 31 30 93.3% 1
February 2026 28 28 85.7% 0
March 2026 25 25 80.0% 0
April 2026 29 29 82.8% 0
May 2026 31 31 83.9% 0
June 2026 30 29 89.7% 1
July 2026 30 28 85.7% 2

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