Route on-time record
MEM to PHL: most on-time flights and the best time to fly
Memphis (Memphis International Airport) to Philadelphia (Philadelphia International Airport). 735 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 2.9% were cancelled. The most reliable flight number was PSA 5468 at 6:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
MEM → PHL
Memphis to Philadelphia: 735 nonstop flights a year
On time (12 months)
81%
Cancelled
2.9%
avg delay 16 min
Best time to leave
Before 9 AM
94% on time vs 75% 3 to 6 PM
Most reliable airline
Republic
80% chance on time
Lowest nonstop fare seen in the next two months: $447 (American 5409 on 2026-10-19). 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 · PSA 5468 · sold as American Eagle
6:00 AM → 9:35 AM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as PSA 5548; its record covers all of them.
89%
chance on time
- On time (history)
- 94%
- Cancelled
- 1.8%
- Avg arrival delay
- 12 min
- Arrived on time 94% of the time (54 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 3 to 6 PM: 75%).
- 51% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find 6:00 AM flight fares Opens this date on Aviasales#2 · PSA 5324 · sold as American Eagle
12:58 PM → 4:28 PM2h 30m nonstop
Local times, typical schedule. Last flown 2026-05-20.
83%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 89% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Lands inside PHL's trouble window: 72% of its 95 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (44 flights), so its score leans on the airline's record at this hour.
Limited track record · 44 flights
Find 12:58 PM flight fares Opens this date on Aviasales#3 · PSA 5266 · sold as American Eagle
5:40 PM → 9:10 PM2h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
75%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 82% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 75% on time; Before 9 AM: 94%).
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 5:40 PM flight fares Opens this date on Aviasales#4 · PSA 5391 · sold as American Eagle
11:04 AM → 2:28 PM2h 24m nonstop
Local times, typical schedule. Last flown 2026-04-06.
74%
chance on time
- On time (history)
- 68%
- Cancelled
- 2.0%
- Avg arrival delay
- 23 min
- Arrived on time 68% of the time (50 flights, Jun 2025 to May 2026).
- Lands inside PHL's trouble window: 72% of its 95 ground stops and delay programs started between 2 PM and 8 PM.
- 73% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (50 flights), so its score leans on the airline's record at this hour.
Limited track record · 50 flights
Find 11:04 AM flight fares Opens this date on Aviasales#5 · PSA 5614 · sold as American Eagle
5:00 PM → 8:25 PM2h 25m nonstop
Local times, typical schedule. Last flown 2026-04-06.
73%
chance on time
- On time (history)
- 72%
- Cancelled
- 13.3%
- Avg arrival delay
- 58 min
- Arrived on time 72% of the time (25 flights, Jun 2025 to May 2026).
- Cancelled 13.3% of the time (4 of 30).
- Leaves in this route's least on-time window (3 to 6 PM: 75% on time; Before 9 AM: 94%).
- Short track record (25 flights), so its score leans on the airline's record at this hour.
Limited track record · 25 flights
Find 5:00 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%
208 flights · 81% on time as flown · 2.6% cancel
- PSA Airlines (sold as American Eagle)79%
527 flights · 81% on time as flown · 3.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM94%
200 flights · avg delay 7 min
- 9 AM to noon76%
227 flights · avg delay 17 min
- Noon to 3 PM78%
165 flights · avg delay 19 min
- 3 to 6 PM75%
143 flights · avg delay 25 min
Best day: Tuesday (85%). Worst: Monday (81%).
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 aircraft58%
- Airline (crew, maintenance, boarding)28%
- Air traffic control and airport volume11%
- 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
MEM to PHL questions
- What time of day is best to fly MEM to PHL?
- Before 9 AM: 94% of flights arrived on time, against 75% for departures 3 to 6 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from MEM to PHL?
- Republic, with a season-adjusted 80% chance of operating and arriving on time over 208 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 MEM to PHL?
- December (75% on time); the best was October (89%), 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.
More routes from MEM
- PHL to MEM (return)
- MEM to ATL 87%
- MEM to ORD 77%
- MEM to DFW 72%
- MEM to CLT 83%
- MEM to DEN 79%
- MEM to DCA 75%
- MEM to IAH 79%
- MEM to DTW 83%
- MEM to LGA 78%
- MEM to MSP 87%
- MEM to HOU 78%
- MEM to MCO 78%
Live status: FAA delays and ground stops
