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Tell FlyerIntel where and when you are flying. It will show how that route actually performs at that time of day and on that day of the week, what both airports are doing right now, and when to get to the airport.

SEA → PIT

Seattle to Pittsburgh · departing 9:45 AM

Route on-time rate
77.8%
1,400 flights analyzed
At 9 AM–12 PM
77.1%
832 flights in this window
Cancellation rate
0.57%
Share of scheduled flights

There is no day-by-hour view for SEA → PIT: it has too few flights to fill 45 weekday-and-hour slots with 120 or more each.

Other times on SEA → PIT

Time of day

On SEA → PIT, flights leaving 12–3 PM arrived on time 84.2% of the time, against 77.1% for those leaving 9 AM–12 PM: 7.1 points more often.

  • 5–9 AMToo few flights to score
  • 9 AM–12 PM77.1%Your time
  • 12–3 PM84.2%Best
  • 3–6 PMToo few flights to score
  • 6–9 PMToo few flights to score
  • 9 PM–5 AM76.3%

Day of week

  • Monday81.7%Best
  • Tuesday81.0%
  • Wednesday80.1%
  • Thursday74.1%
  • Friday73.3%
  • Saturday79.9%
  • Sunday75.6%

Bars start below the lowest figure so a real gap is visible; read the percentage, not the bar length. A time with too few flights to score is left unscored rather than guessed at.

Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · History describes what has happened on this route. It is not a prediction about your flight. Full route profile →

Which flight

Flights on SEA → PIT, the ones scheduled closest to 9:45 AM first.

Flights on SEA → PIT and their records
FlightUsually departsOn timeCancelled
AS412Alaska AirlinesLive map9:45 AM77.9%0.51%

Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · “Usually departs” is the scheduled time each flight number most often had over the period; airlines retime flights, so confirm the time on your booking. Flight numbers with fewer than 90 operations on this route are left out. This is history, not a forecast for your flight.

When to get to the airport

A starting point for SEA, not a promise about your day.

Recommended arrival
6:55 AM – 7:25 AM

2h 20m before your 9:45 AM departure

How this was worked out

Standard domestic guidancePublished guidance · US airlines and the TSA commonly recommend arriving two hours before a domestic departure.+120 min
Peak departure hourFlyerIntel data · Your departure hour is among the busiest at SEA, so check-in, bag drop and security all queue at once.+20 min
What this does not include.
  • It does not include your journey to the airport, parking, or a shuttle from a remote lot.
  • International departures, and travel with children, checked pets or special assistance, need more time.

Both airports right now

Departing · SEANo disruption reported

Aviation weather is not currently a factor.

Aviation weatherVFR
45°F · wind 3 kt

Minimal operational impact. Conditions are not a notable factor for operations right now.

Updated

Seattle airport profile →

Arriving · PITNo disruption reported

Aviation weather is not currently a factor.

Aviation weatherVFR
35°F · wind 0 kt

Minimal operational impact. Conditions are not a notable factor for operations right now.

Updated

Pittsburgh airport profile →

Source: NOAA Aviation Weather Center · Conditions describe the airfield, not your flight, and change quickly.