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4 nonstop, 38 with 1 connection, 6 with 2 · ranked by overall best · 15 hidden by your Most reliable time setting (they leave at other times of day) · showing the top 3
Most reliable time: morning departures (5–11 AM), the window with the best on-time odds for this trip. Turn off “Most reliable” under Departure time in Advanced settings to see every time.
Fares seen on this date: nonstop from 165 (recent searches, one way, per person; each card opens the live price)
33 matching trips
6:40 AM11:50 AMMIA → PIT
Southwest · WN 255 / WN 1573
5h 10m1 stop
1h 30m in BWI
One ticket
79%arrive on time90% connections madeCheck faresWhy this is our top pick
- This morning flight leaves in the most reliable time of day on this route: its best departures have a 71% reliability rating vs 65% for midday departures.
- It has the same 31 in of legroom as the next-best option (Southwest 255 + Southwest 470 on the Boeing 737 MAX 8 or 737-800); it flies a newer plane (about 11 vs 21 years old).
- 6:40 AM12:00 PM
MIA → PIT
Southwest · WN 255 / WN 470
5h 20m1 stop
1h 40m in BWI
One ticket
80%arrive on time91% connections madeCheck fares 
6:00 AM10:47 AMMIA → PIT
Delta · DL 1249 / DL 1363
4h 49m1 stop
1h 05m in ATL
One ticket
80%arrive on time87% connections madeCheck fares
Aircraft and legroom reflect the planes each flight has flown recently. Airlines can swap planes and seat maps change, so check the airline’s seat map when you book.
MIA → PIT
Miami to Pittsburgh: 711 nonstop flights a year
On time (12 months)
71%
Cancelled
2.0%
avg delay 19 min
Best time to leave
Before 9 AM
91% on time vs 63% 6 to 9 PM
Most reliable airline
American
69% chance on time
Lowest nonstop fare seen in the next two months: $165 (American 2744 on 2026-11-25). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- American Airlines69%
613 flights · 70% on time as flown · 1.8% cancel
- Southwest Airlines66%
43 flights · 66% on time as flown · 2.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
36 flights · avg delay 4 min
- Noon to 3 PM64%
113 flights · avg delay 20 min
- 3 to 6 PM71%
157 flights · avg delay 22 min
- 6 to 9 PM63%
197 flights · avg delay 26 min
- After 9 PM78%
198 flights · avg delay 12 min
Best day: Wednesday (79%). Worst: Sunday (67%).
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