Route on-time record
MIA to PIT: most on-time flights and the best time to fly
Miami (Miami International Airport) to Pittsburgh (Pittsburgh International Airport). 711 nonstop flights in Jun 2025 to May 2026, 71% arrived within 15 minutes and 2.0% were cancelled. The most reliable flight number was American 1702 at 9:08 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
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.
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 1702
9:08 PM → 11:59 PM2h 51m nonstop
Local times, typical schedule. Last flown 2026-05-31.
71%
chance on time
- On time (history)
- 69%
- Cancelled
- 0.0%
- Avg arrival delay
- 18 min
- Arrived on time 69% of the time (208 flights, Jun 2025 to May 2026).
- Never cancelled in 209 scheduled flights.
- Departs outside MIA's trouble window (1 PM to 7 PM, when 49% of its 45 ground stops and delay programs started).
Strong track record · 208 flights
Find American 1702 fares Opens this date on Aviasales#2 · American 1664
3:57 PM → 6:45 PM2h 48m nonstop
Local times, typical schedule. Last flown 2026-05-20.
69%
chance on time
- On time (history)
- 68%
- Cancelled
- 0.0%
- Avg arrival delay
- 15 min
- Arrived on time 68% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Departs inside MIA's trouble window: 49% of its 45 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 44 flights
Find American 1664 fares Opens this date on Aviasales#3 · Southwest 3241
1:45 PM → 4:30 PM2h 45m nonstop
Local times, typical schedule. Last flown 2026-05-30.
68%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 31 min
- Arrived on time 75% of the time (8 flights, Jun 2025 to May 2026).
- Departs inside MIA's trouble window: 49% of its 45 ground stops and delay programs started between 1 PM and 7 PM.
- 59% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 8 flights
Find Southwest 3241 fares Opens this date on Aviasales#4 · American 834
2:31 PM → 5:24 PM2h 53m nonstop
Local times, typical schedule. Last flown 2026-05-31.
60%
chance on time
- On time (history)
- 54%
- Cancelled
- 1.4%
- Avg arrival delay
- 25 min
- Arrived on time 54% of the time (71 flights, Jun 2025 to May 2026).
- Departs inside MIA's trouble window: 49% of its 45 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 71 flights
Find American 834 fares Opens this date on Aviasales
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%).
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 aircraft41%
- Airline (crew, maintenance, boarding)41%
- Air traffic control and airport volume13%
- Severe weather5%
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
MIA to PIT questions
- What time of day is best to fly MIA to PIT?
- Before 9 AM: 91% of flights arrived on time, against 63% for departures 6 to 9 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 MIA to PIT?
- American, with a season-adjusted 69% chance of operating and arriving on time over 613 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 MIA to PIT?
- August (56% on time); the best was January (83%), 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 MIA
- PIT to MIA (return)
- MIA to ATL 73%
- MIA to LGA 67%
- MIA to DFW 73%
- MIA to JFK 71%
- MIA to ORD 71%
- MIA to EWR 72%
- MIA to DCA 75%
- MIA to MCO 72%
- MIA to IAH 76%
- MIA to CLT 78%
- MIA to BOS 69%
- MIA to LAX 75%
Most on-time flights from MIA on every route →
Live status: FAA delays and ground stops