Route · CHS → PHL · 2020–2025 BTS data
Charleston to Philadelphia
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CHS to PHL (Charleston to Philadelphia) ranks #1867 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81.9%
- On-time
- +2.9 pts
- vs US avg
- 94 min
- Delay when late
- 6,767
- Flights
- #1867 of 4927
- Corpus placement
Cancelled
1.8%
Best Month
Oct 2024 89%
Worst Month
Jan 2024 67%
Distance
550 mi
Carriers
36
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 85 | 22 | 1 | 0 | YX,OH,F9,AA |
| Nov 2025 | 111 | 25 | 0 | 0 | F9,OH,AA,YX |
| Oct 2025 | 125 | 29 | 0 | 0 | AA,YX,F9 |
| Sep 2025 | 109 | 21 | 0 | 0 | OH,F9,AA |
| Aug 2025 | 126 | 21 | 3 | 0 | AA,F9,OH |
| Jul 2025 | 104 | 30 | 4 | 1 | AA,OH,F9 |
| Jun 2025 | 120 | 30 | 6 | 0 | AA,OH,YX,F9 |
| May 2025 | 135 | 41 | 4 | 0 | AA,OH,YX,F9 |
| Apr 2025 | 160 | 40 | 1 | 0 | F9,OH,YX,AA |
| Mar 2025 | 137 | 25 | 2 | 0 | AA,OH,YX,F9 |
| Feb 2025 | 110 | 18 | 5 | 0 | AA,OH,YX,F9 |
| Jan 2025 | 114 | 18 | 10 | 0 | AA,OH,YX |
| Dec 2024 | 72 | 14 | 0 | 0 | AA,F9,OH,YX |
| Nov 2024 | 99 | 11 | 0 | 0 | YX,OH,F9,AA |
| Oct 2024 | 147 | 16 | 0 | 0 | YX,F9,AA,OH |
| Sep 2024 | 150 | 29 | 1 | 0 | OH,AA,F9 |
| Aug 2024 | 136 | 37 | 7 | 0 | AA,F9,OH |
| Jul 2024 | 145 | 41 | 4 | 0 | AA,F9,OH |
| Jun 2024 | 137 | 29 | 4 | 1 | AA,F9,YX |
| May 2024 | 140 | 33 | 0 | 0 | AA,F9,OH,YX |
| Apr 2024 | 129 | 23 | 0 | 0 | AA,F9,OH,YX |
| Mar 2024 | 102 | 14 | 0 | 0 | AA,F9,OH,YX |
| Feb 2024 | 67 | 11 | 0 | 0 | AA,YX |
| Jan 2024 | 51 | 17 | 0 | 1 | AA,YX,OH |
CHS–PHL seasonal on-time pattern
Best: February (85.9%) · weakest: June (74.6%)
Strongest calendar month
February
85.9% on-time · ~70 flights/mo
Busiest calendar month
June
~123 flights/mo avg
Weakest calendar month
June
74.6% on-time · ~123 flights/mo
Cancellation Rate
1.8%
52 of 2,811 flights
Diversion Rate
0.1%
3 of 2,811 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CHS - Charleston
Full on-time, delay-cause, and seasonal performance for Charleston, SC.
CHS on-time profilePHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
PHL on-time profileCompare the two airports
See CHS and PHL side by side on delays, cancellations, and reliability.
Compare CHS vs PHLOrigin-hub reliability standing
Mid-pack among CHS departures
From CHS, this corridor sits with 18 other 75–85% on-time routes out of 21 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 0 below 75%). Destination: Philadelphia · fleet on-time rank #2386 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to CHS–PHL.
Routes with a similar on-time rate
What the Data Says About CHS to PHL
6,767 tracked flights put the CHS to PHL pairing (Charleston to Philadelphia) at a 81.9% on-time rate, squarely in line with the wider network. Delays that do occur run 93.5 minutes on average. Across the 550-mile route and its 36 carriers, the trailing 24 months show 1.8% cancelled and 0.1% diverted (2,811 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 89% on-time, while Jan 2024 came in at just 67% - a 22-point swing worth factoring into travel timing.
On the multi-year calendar, CHS–PHL peaks in February at 85.9% on-time while June carries the heaviest traffic (~123 flights per month) ; the softest month is June at 74.6%, a 11.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CHS to PHL rank among US routes by traffic? ▼
How often are flights delayed from CHS to PHL? ▼
What is the cancellation rate for CHS to PHL? ▼
How far is the flight from CHS to PHL? ▼
When is the best time to fly from CHS to PHL? ▼
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 CHS–PHL data
CHS–PHL is mid-pack at 81.9% on-time; month and carrier mix move more than the corridor headline.
- Compare CHS and PHL airport profiles: delay causes and top routes differ even on the same corridor. CHS airport
- If your dates flex, February (85.9% on-time) beats June (74.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 81.9% 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.