TPA to SEA flight delays & on-time performance
Nonstop flights from Tampa International Airport to Seattle–Tacoma International Airport · 2,520 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TPA or SEA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Tampa (TPA) to Seattle (SEA) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.9% were cancelled, and 6% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (87% on time); Alaska Airlines was the least (68%).
- Departures scheduled around 8am did best (88% on time); around 6pm did worst (59%).
- Wednesday was the most reliable day to fly (81% on time) and Thursday the least (70%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (34%).
Which airline is most on time from TPA to SEA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 87% | 0.8% | 7 min | 2.8% | 363 |
| Alaska Airlines | 68% | 1.0% | 18 min | 7.3% | 612 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am78%456 flights
- 8am88%201 flights
- 9am73%16 flights
- 5pm77%35 flights
- 6pm59%203 flights
- 7pm65%64 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%0.7% cancelled
- Tuesday80%0.7% cancelled
- Wednesday81%0.8% cancelled
- Thursday70%0.7% cancelled
- Friday71%0.7% cancelled
- Saturday81%0.8% cancelled
- Sunday72%2.1% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)34%
- Late-arriving aircraft32%
- Air traffic control & airport congestion30%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)67%
- Extreme weather33%
- Air traffic control & airport congestion0%
- Security0%
TPA to SEA: common questions
- How often are TPA to SEA flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Tampa to Seattle cancelled?
- 0.9% of scheduled flights were cancelled (9 of 975).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 49 min behind schedule on average, and 5.6% of flights were an hour or more late.
- How long is taxi time at TPA?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SEA to TPA — 80% on time
More flights from Tampa
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: TPA → SEA, nonstop flights by US airlines that report to the DOT. How we calculate this.