Route · PHL → EYW · 2020–2025 BTS data
Philadelphia to Key West
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHL to EYW (Philadelphia to Key West) ranks #3796 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 83%
- On-time
- +4 pts
- vs US avg
- 72 min
- Delay when late
- 2,052
- Flights
- #3796 of 4927
- Corpus placement
Cancelled
1.0%
Best Month
Oct 2024 94%
Worst Month
Dec 2025 73%
Distance
1,121 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 55 | 15 | 0 | 0 | YX,AA |
| Nov 2025 | 50 | 7 | 2 | 1 | AA,YX |
| Oct 2025 | 31 | 3 | 0 | 1 | AA,YX |
| Sep 2025 | 30 | 2 | 0 | 0 | YX,AA |
| Aug 2025 | 31 | 6 | 0 | 0 | AA |
| Jul 2025 | 31 | 5 | 0 | 0 | AA |
| Jun 2025 | 30 | 7 | 0 | 0 | AA |
| May 2025 | 35 | 7 | 0 | 0 | AA,YX |
| Apr 2025 | 60 | 8 | 0 | 0 | YX,AA |
| Mar 2025 | 58 | 11 | 0 | 1 | AA,YX |
| Feb 2025 | 56 | 9 | 2 | 1 | AA,YX |
| Jan 2025 | 62 | 13 | 1 | 0 | AA,YX |
| Dec 2024 | 56 | 13 | 0 | 2 | AA,YX |
| Nov 2024 | 59 | 8 | 0 | 0 | YX,AA |
| Oct 2024 | 54 | 3 | 2 | 1 | YX,AA |
| May 2024 | 34 | 8 | 0 | 1 | AA,YX |
| Apr 2024 | 30 | 10 | 0 | 0 | AA |
| Mar 2024 | 31 | 7 | 1 | 0 | AA,YX |
| Jan 2024 | 31 | 6 | 1 | 1 | AA |
| Dec 2023 | 31 | 7 | 0 | 0 | AA |
| Aug 2023 | 31 | 1 | 1 | 0 | AA |
| Jul 2023 | 31 | 9 | 0 | 1 | AA |
| Jun 2023 | 30 | 5 | 0 | 0 | AA |
| May 2023 | 31 | 3 | 0 | 1 | AA |
PHL–EYW seasonal on-time pattern
Best: September (93.3%) · weakest: December (78.7%)
Strongest calendar month
September
93.3% on-time · ~30 flights/mo
Busiest calendar month
February
~44 flights/mo avg
Weakest calendar month
December
78.7% on-time · ~42 flights/mo
Cancellation Rate
1.0%
10 of 978 flights
Diversion Rate
1.1%
11 of 978 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
PHL on-time profileEYW - Key West
Full on-time, delay-cause, and seasonal performance for Key West, FL.
EYW on-time profileCompare the two airports
See PHL and EYW side by side on delays, cancellations, and reliability.
Compare PHL vs EYWOrigin-hub reliability standing
Mid-pack among PHL departures
From PHL, this corridor sits with 60 other 75–85% on-time routes out of 65 tracked departures, not the hub's reliability leaders (4 at ≥85%) and not the softest ( 1 below 75%). Destination: Key West · fleet on-time rank #1952 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHL–EYW.
Routes with a similar on-time rate
What the Data Says About PHL to EYW
Bureau of Transportation Statistics records show Philadelphia to Key West (PHL to EYW) running a 83% on-time rate over 2,052 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 72.0 minutes. The 1,121-mile corridor is served by 4 carriers, and over the last 24 months 1.0% of 978 flights were cancelled, 1.1% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 73% - a 22-point swing worth factoring into travel timing.
On the multi-year calendar, PHL–EYW peaks in September at 93.3% on-time while February carries the heaviest traffic (~44 flights per month) ; the softest month is December at 78.7%, a 14.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does PHL to EYW rank among US routes by traffic? ▼
How often are flights delayed from PHL to EYW? ▼
What is the cancellation rate for PHL to EYW? ▼
How far is the flight from PHL to EYW? ▼
When is the best time to fly from PHL to EYW? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using PHL–EYW data
PHL–EYW runs 4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare PHL and EYW airport profiles: delay causes and top routes differ even on the same corridor. PHL airport
- If your dates flex, September (93.3% on-time) beats December (78.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 83% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.