Flight Reliability
WN 4988 · Southwest Airlines
Pittsburgh → Orlando (PIT–MCO)97% of its flights flew this route. The rest (HNL–SMF, MCO–IND) are included in these numbers.
89
Pretty Reliable
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 10 min early
- Average arrival delay
- 1.7%
- Cancelled
- 22 min early
- Median arrival delay
Based on 60 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 6–9 AM arrived on time 89% of the time, against 86% between 3–6 AM.
Better than the PIT–MCO route average.
WN 4988 arrived on time 88% of the time, versus 80% across the PIT–MCO route.
Better than the Southwest Airlines network average.
WN 4988 arrived on time 88% of the time, versus 78% across the Southwest Airlines network.
The breakdown
- Mon—(9 flights)
- Tue—(9 flights)
- Wed—(9 flights)
- Thu—(8 flights)
- Fri—(8 flights)
- Sat—(8 flights)
- Sun—(8 flights)
- 3–6 AM86%(29 flights)
- 6–9 AM89%(28 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM—(1 flights)
- Departures on time
- 97%
- Diverted
- 0%
- Flights flown
- 59
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 60 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.