---
title: "PHL to STI flights: who flies it, and when"
description: "American Airlines and Frontier Airlines fly nonstop from PHL to STI, about 6 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free."
canonical: "https://2lnr.com/routes/phl-sti"
url: "https://2lnr.com/routes/phl-sti.md"
date_modified: "2026-10-18T05:10:47Z"
---

# Philadelphia to Licey al Medio (PHL-STI): nonstop upgrade & award space

American Airlines and Frontier Airlines fly the PHL to STI nonstop about 6 times a week. Where the timetable below gives a flight time, it's 3h 28m to 3h 58m for the 1,441 miles. 2LNR checks confirmed upgrade and award space on American Airlines flights on this route, so you can see which departures have space before you book.

Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book.

Updated October 20, 2026.

See PHL to STI on the interactive map [Get started free](https://2lnr.com/login)

6

Flights a week, 4-week average

3h 28m to 3h 58m

Scheduled flight time

1,441 mi

Nonstop distance

Free

To get started

## Philadelphia to Licey al Medio flight schedule

Scheduled nonstop departures for PHL to STI starting October 20, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Scheduled nonstop departures from Philadelphia (PHL) to Licey al Medio (STI)

| Date | Flight | Airline | Departs PHL | Arrives STI | Duration | Aircraft |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Thu, Oct 22 | AA 2697 | American Airlines | 09:20 | 13:18 | 3h 58m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/aa/737-max-8.md) |
| Fri, Oct 23 | AA 2697 | American Airlines | 09:20 | 13:18 | 3h 58m | Boeing 737 MAX 8 |
| Sat, Oct 24 | F9 536 | Frontier Airlines | 07:00 | 10:28 | 3h 28m | [Airbus A321neo family](https://2lnr.com/seatmaps/f9/a321neo.md) |
| Sat, Oct 24 | AA 2697 | American Airlines | 09:20 | 13:18 | 3h 58m | Boeing 737 MAX 8 |
| Sun, Oct 25 | AA 2697 | American Airlines | 09:20 | 13:18 | 3h 58m | Boeing 737 MAX 8 |
| Mon, Oct 26 | AA 2697 | American Airlines | 09:20 | 13:18 | 3h 58m | Boeing 737 MAX 8 |
| Wed, Oct 28 | AA 2697 | American Airlines | 09:20 | 13:18 | — | Boeing 737 MAX 8 |
| Thu, Oct 29 | AA 2697 | American Airlines | 09:20 | 13:18 | 3h 58m | Boeing 737 MAX 8 |

Showing all 8 scheduled PHL to STI departures across 7 days with service, starting October 20, 2026. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every PHL to STI date on the interactive map

## Aircraft on the Philadelphia to Licey al Medio nonstop

In the schedule table on this page, American Airlines flies the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/aa/737-max-8.md), and Frontier Airlines flies the [Airbus A321neo family](https://2lnr.com/seatmaps/f9/a321neo.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

## Confirmed upgrade & award space on PHL to STI departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Philadelphia to Licey al Medio to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

American Airlines award space was open on 8 of the 10 Philadelphia to Licey al Medio departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026.

### See real availability

Confirmed upgrade or award seats by date on the PHL to STI departures 2LNR tracks, checked against live inventory so you know what's open before you book.

### Set an alert

Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking.

### Plan on the map

See PHL to STI on the interactive route map, with schedules, connections, and route statistics.

## Airlines flying Philadelphia to Licey al Medio nonstop

Carriers operating PHL to STI nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

- [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\
  [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md)
- [Frontier Airlines (F9) route map](https://2lnr.com/routes/airlines/f9.md)\
  [The aircraft F9 flies](https://2lnr.com/seatmaps/f9.md)

See PHL to STI on the interactive map →

## Frequently asked questions about PHL to STI

**How long is the flight from Philadelphia (PHL) to Licey al Medio (STI)?**

Where the schedule table on this page lists a duration, scheduled flight times from Philadelphia (PHL) to Licey al Medio (STI) run from 3h 28m to 3h 58m. The nonstop covers about 1,441 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

**Which airlines fly nonstop from PHL to STI?**

American Airlines and Frontier Airlines fly PHL to STI nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.

**How many flights a week are there from PHL to STI?**

About 6 nonstop flights a week run between Philadelphia (PHL) and Licey al Medio (STI) in the current schedule, operated by American Airlines and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.

**What time do flights from PHL to STI depart?**

Scheduled PHL to STI nonstops in the next 7 days with service leave between 07:00 and 09:20, local time at Philadelphia. The schedule table on this page lists every departure by date, with its arrival time and aircraft.

**Which flights operate PHL to STI nonstop?**

In the schedule table on this page, PHL to STI nonstops fly as AA 2697 on American Airlines and F9 536 on Frontier Airlines. The table lists each departure by date with its times and aircraft.

**How do I check upgrade or award availability on PHL to STI?**

Open the PHL to STI route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Flying the other way? See [STI to PHL upgrade and award space](https://2lnr.com/routes/sti-phl.md).

Award seats rather than schedules? See [American Airlines award availability](https://2lnr.com/awards/aa.md).

Looking beyond this route? See [every route from Philadelphia (PHL)](https://2lnr.com/routes/phl.md), or [every route from Licey al Medio (STI)](https://2lnr.com/routes/sti.md).

Nonstops to Licey al Medio (STI) from other airports within 150 miles of Philadelphia (PHL):

- [Newark (EWR) to Licey al Medio (STI)](https://2lnr.com/routes/ewr-sti.md), 79 miles from PHL
- [New York (JFK) to Licey al Medio (STI)](https://2lnr.com/routes/jfk-sti.md), 93 miles from PHL

Nonstops from Philadelphia (PHL) to other airports within 150 miles of Licey al Medio (STI):

- [Philadelphia (PHL) to Santo Domingo (SDQ)](https://2lnr.com/routes/phl-sdq.md), 91 miles from STI

Distances are great-circle between the airports, not driving distance.

- [How American upgrades clear](https://2lnr.com/about/aa/upgrades.md)
- [How to read award availability by date](https://2lnr.com/guides/award-availability.md)

## Never miss PHL to STI upgrade or award space

See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro.

[Get started free](https://2lnr.com/login)