Route on-time record

PHL to CHS: most on-time flights and the best time to fly

Philadelphia (Philadelphia International Airport) to Charleston (Charleston International Airport). 1,139 nonstop flights in Jun 2025 to May 2026, 77% arrived within 15 minutes and 2.0% were cancelled. The most reliable flight number was American 1945 at 9:40 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

PHL → CHS

Philadelphia to Charleston: 1,139 nonstop flights a year

On time (12 months)

77%

Cancelled

2.0%

avg delay 19 min

Best time to leave

9 AM to noon

89% on time vs 68% 6 to 9 PM

Most reliable airline

Republic

80% chance on time

Check PHL to CHS fares

Lowest nonstop fare seen in the next two months: $359 (American 2134 on 2026-10-23). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

#1 · American 1945
9:40 AM → 11:44 AM2h 04m nonstop
Local times, typical schedule. Last flown 2026-05-20.
86%
chance on time
On time (history)
93%
Cancelled
0.0%
Avg arrival delay
3 min
- Arrived on time 93% of the time (43 flights, Jun 2025 to May 2026).
- Never cancelled in 43 scheduled flights.
- Leaves in this route's most on-time window (9 AM to noon: 89% on time; 6 to 9 PM: 68%).
- Departs outside PHL's trouble window (2 PM to 8 PM, when 72% of its 95 ground stops and delay programs started).
Limited track record · 43 flights
Find American 1945 fares Opens this date on Aviasales
#2 · PSA 5575 · sold as American Eagle
8:55 AM → 11:01 AM2h 06m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 100% of the time (10 flights, Jun 2025 to May 2026).
- Departs outside PHL's trouble window (2 PM to 8 PM, when 72% of its 95 ground stops and delay programs started).
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find 8:55 AM flight fares Opens this date on Aviasales
#3 · American 2531
8:15 AM → 10:17 AM2h 02m nonstop
Local times, typical schedule. Last flown 2026-04-06.
85%
chance on time
On time (history)
92%
Cancelled
0.0%
Avg arrival delay
21 min
- Arrived on time 92% of the time (26 flights, Jun 2025 to May 2026).
- Departs outside PHL's trouble window (2 PM to 8 PM, when 72% of its 95 ground stops and delay programs started).
- 78% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (26 flights), so its score leans on the airline's record at this hour.
Limited track record · 26 flights
Find American 2531 fares Opens this date on Aviasales
#4 · Republic 4407 · sold as American Eagle, Delta Connection or United Express
1:46 PM → 3:47 PM2h 01m nonstop
Local times, typical schedule. Last flown 2026-04-06.
83%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
0 min
- Arrived on time 100% of the time (9 flights, Jun 2025 to May 2026).
- Departs outside PHL's trouble window (2 PM to 8 PM, when 72% of its 95 ground stops and delay programs started).
- Short track record (9 flights), so its score leans on the airline's record at this hour.
Limited track record · 9 flights
Find 1:46 PM flight fares Opens this date on Aviasales
#5 · American 1672
4:01 PM → 6:02 PM2h 01m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 2529; its record covers all of them.
75%
chance on time
On time (history)
81%
Cancelled
3.1%
Avg arrival delay
14 min
- Arrived on time 81% of the time (63 flights, Jun 2025 to May 2026).
- Cancelled 3.1% of the time (2 of 65).
- Departs inside PHL's trouble window: 72% of its 95 ground stops and delay programs started between 2 PM and 8 PM.
- 58% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 63 flights
Find American 1672 fares Opens this date on Aviasales
#6 · American 1957
1:45 PM → 3:43 PM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-20.
75%
chance on time
On time (history)
80%
Cancelled
0.0%
Avg arrival delay
12 min
- Arrived on time 80% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Departs outside PHL's trouble window (2 PM to 8 PM, when 72% of its 95 ground stops and delay programs started).
- 61% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 44 flights
Find American 1957 fares Opens this date on Aviasales
#7 · Frontier 3035
12:09 PM → 2:04 PM1h 56m nonstop
Local times, typical schedule. Last flown 2026-04-12.
74%
chance on time
On time (history)
78%
Cancelled
3.6%
Avg arrival delay
16 min
- Arrived on time 78% of the time (80 flights, Jun 2025 to May 2026).
- Cancelled 3.6% of the time (3 of 83).
- Departs outside PHL's trouble window (2 PM to 8 PM, when 72% of its 95 ground stops and delay programs started).
Moderate track record · 80 flights
Find Frontier 3035 fares Opens this date on Aviasales
#8 · American 2163
4:32 PM → 6:33 PM2h 01m nonstop
Local times, typical schedule. Last flown 2026-05-18.
74%
chance on time
On time (history)
78%
Cancelled
2.7%
Avg arrival delay
15 min
- Arrived on time 78% of the time (36 flights, Jun 2025 to May 2026).
- Departs inside PHL's trouble window: 72% of its 95 ground stops and delay programs started between 2 PM and 8 PM.
- 60% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (36 flights), so its score leans on the airline's record at this hour.
Limited track record · 36 flights
Find American 2163 fares Opens this date on Aviasales
#9 · PSA 5630 · sold as American Eagle
1:50 PM → 3:50 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
On time (history)
73%
Cancelled
0.0%
Avg arrival delay
26 min
- Arrived on time 73% of the time (11 flights, Jun 2025 to May 2026).
- Departs outside PHL's trouble window (2 PM to 8 PM, when 72% of its 95 ground stops and delay programs started).
- 69% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 1:50 PM flight fares Opens this date on Aviasales
#10 · PSA 5068 · sold as American Eagle
9:55 PM → 11:56 PM2h 01m nonstop
Local times, typical schedule. Last flown 2026-05-31.
72%
chance on time
On time (history)
70%
Cancelled
0.0%
Avg arrival delay
16 min
- Arrived on time 70% of the time (10 flights, Jun 2025 to May 2026).
- Departs outside PHL's trouble window (2 PM to 8 PM, when 72% of its 95 ground stops and delay programs started).
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find 9:55 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Republic Airways (sold as American Eagle, Delta Connection or United Express)80%
38 flights · 89% on time as flown · 1.6% cancel
PSA Airlines (sold as American Eagle)75%
223 flights · 75% on time as flown · 2.2% cancel
Frontier Airlines75%
83 flights · 78% on time as flown · 2.6% cancel
American Airlines75%
795 flights · 77% on time as flown · 1.9% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM85%
308 flights · avg delay 15 min
9 AM to noon89%
64 flights · avg delay 4 min
Noon to 3 PM74%
277 flights · avg delay 21 min
3 to 6 PM73%
293 flights · avg delay 18 min
6 to 9 PM68%
172 flights · avg delay 33 min

Best day: Tuesday (83%). Worst: Friday (73%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

What delays this route

Late-arriving aircraft61%
Airline (crew, maintenance, boarding)24%
Air traffic control and airport volume13%
Severe weather3%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

Finding the most reliable connections from PHL to CHS…

PHL to CHS questions

What time of day is best to fly PHL to CHS?: 9 AM to noon: 89% of flights arrived on time, against 68% for departures 6 to 9 PM.
Which airline is most on time from PHL to CHS?: Republic, with a season-adjusted 80% chance of operating and arriving on time over 38 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on PHL to CHS?: July (65% on time); the best was November (85%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?: No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

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