Route on-time record

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

Philadelphia (Philadelphia International Airport) to Atlanta (Hartsfield Jackson Atlanta International Airport). 5,685 nonstop flights in Jun 2025 to May 2026, 78% arrived within 15 minutes and 2.8% were cancelled. The most reliable flight number was Delta 1269 at 5:40 AM.

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

PHL → ATL

Philadelphia to Atlanta: 5,685 nonstop flights a year

On time (12 months)

78%

Cancelled

2.8%

avg delay 16 min

Best time to leave

9 AM to noon

87% on time vs 66% 6 to 9 PM

Most reliable airline

Republic

83% chance on time

Check PHL to ATL fares

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 · Delta 1269
5:40 AM → 7:53 AM2h 13m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
On time (history)
91%
Cancelled
1.7%
Avg arrival delay
5 min
- Arrived on time 91% of the time (294 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).
Strong track record · 294 flights
Find Delta 1269 fares Opens this date on Aviasales
#2 · Delta 1152
6:54 AM → 9:24 AM2h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
On time (history)
89%
Cancelled
1.7%
Avg arrival delay
6 min
- Arrived on time 89% of the time (355 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).
Strong track record · 355 flights
Find Delta 1152 fares Opens this date on Aviasales
#3 · Delta 1180
8:40 AM → 10:54 AM2h 12m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
On time (history)
89%
Cancelled
2.0%
Avg arrival delay
9 min
- Arrived on time 89% of the time (297 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).
Strong track record · 297 flights
Find Delta 1180 fares Opens this date on Aviasales
#4 · PSA 5168 · sold as American Eagle
10:35 AM → 12:58 PM2h 23m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as PSA 5456; its record covers all of them.
85%
chance on time
On time (history)
89%
Cancelled
2.4%
Avg arrival delay
8 min
- Arrived on time 89% of the time (124 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 87% on time; 6 to 9 PM: 66%).
- 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 · 124 flights
Find 10:35 AM flight fares Opens this date on Aviasales
#5 · Delta 2153
10:32 AM → 12:45 PM2h 13m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 1100; its record covers all of them.
85%
chance on time
On time (history)
87%
Cancelled
2.9%
Avg arrival delay
6 min
- Arrived on time 87% of the time (302 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 87% on time; 6 to 9 PM: 66%).
- Departs outside PHL's trouble window (2 PM to 8 PM, when 72% of its 95 ground stops and delay programs started).
Strong track record · 302 flights
Find Delta 2153 fares Opens this date on Aviasales
#6 · Republic 4338 · sold as American Eagle, Delta Connection or United Express
9:32 AM → 11:53 AM2h 21m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
On time (history)
78%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 78% of the time (9 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 87% on time; 6 to 9 PM: 66%).
- 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 9:32 AM flight fares Opens this date on Aviasales
#7 · Delta 2270
12:59 PM → 3:12 PM2h 08m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
On time (history)
87%
Cancelled
2.8%
Avg arrival delay
8 min
- Arrived on time 87% of the time (350 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).
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 350 flights
Find Delta 2270 fares Opens this date on Aviasales
#8 · PSA 5037 · sold as American Eagle
7:00 AM → 9:19 AM2h 19m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as PSA 5015; its record covers all of them.
80%
chance on time
On time (history)
85%
Cancelled
0.0%
Avg arrival delay
11 min
- Arrived on time 85% of the time (52 flights, Jun 2025 to May 2026).
- Never cancelled in 52 scheduled flights.
- 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 (52 flights), so its score leans on the airline's record at this hour.
Limited track record · 52 flights
Find 7:00 AM flight fares Opens this date on Aviasales
#9 · PSA 5026 · sold as American Eagle
4:02 PM → 6:25 PM2h 23m nonstop
Local times, typical schedule. Last flown 2026-05-20.
80%
chance on time
On time (history)
87%
Cancelled
0.0%
Avg arrival delay
12 min
- Arrived on time 87% of the time (38 flights, Jun 2025 to May 2026).
- Never cancelled in 38 scheduled flights.
- Departs inside PHL's trouble window: 72% of its 95 ground stops and delay programs started between 2 PM and 8 PM.
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 38 flights
Find 4:02 PM flight fares Opens this date on Aviasales
#10 · Delta 2036
5:00 PM → 7:14 PM2h 14m nonstop
Local times, typical schedule. Last flown 2026-04-12.
79%
chance on time
On time (history)
86%
Cancelled
6.5%
Avg arrival delay
6 min
- Arrived on time 86% of the time (29 flights, Jun 2025 to May 2026).
- Cancelled 6.5% of the time (2 of 31).
- Departs inside PHL's trouble window: 72% of its 95 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (29 flights), so its score leans on the airline's record at this hour.
Limited track record · 29 flights
Find Delta 2036 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)83%
134 flights · 88% on time as flown · 3.2% cancel
Delta Air Lines81%
3,043 flights · 83% on time as flown · 2.5% cancel
PSA Airlines (sold as American Eagle)78%
870 flights · 82% on time as flown · 3.8% cancel
Spirit Airlines67%
113 flights · 62% on time as flown · 2.7% cancel
American Airlines67%
551 flights · 66% on time as flown · 2.0% cancel
Frontier Airlines63%
974 flights · 64% on time as flown · 2.9% cancel

On time by departure time

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

Before 9 AM84%
1,761 flights · avg delay 11 min
9 AM to noon87%
660 flights · avg delay 8 min
Noon to 3 PM78%
1,143 flights · avg delay 16 min
3 to 6 PM75%
845 flights · avg delay 20 min
6 to 9 PM66%
1,161 flights · avg delay 24 min

Best day: Wednesday (84%). Worst: Sunday (74%).

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 aircraft46%
Airline (crew, maintenance, boarding)26%
Air traffic control and airport volume24%
Severe weather4%

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

PHL to ATL questions

What time of day is best to fly PHL to ATL?: 9 AM to noon: 87% of flights arrived on time, against 66% for departures 6 to 9 PM.
Which airline is most on time from PHL to ATL?: Republic, with a season-adjusted 83% chance of operating and arriving on time over 134 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 ATL?: July (68% on time); the best was October (86%), 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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