Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ENVOY · FLIGHT MQ 4271SCHEDULED · TYPICAL ODDS
MQ 4271 · ORD → ABE
departs 8:18 PM CT · arrives 11:27 PM ET
Forecast issued Thu 12:00 AM ET · 165h before departure
Typical odds
Too early for a weather forecast — these are typical odds for this flight on a Wednesday in October, from the weather this date has had in past years (the range shows how much they varied). They’ll switch to forecast-based odds about 3 days before departure.
Odds over time
Arrive at ABE more than 15 minutes late?
19%chance · ±16 pts– · 24h
HOW SURE WE ARELow. This is mostly a starting point from history; weather forecasts haven't kicked in yet.
How late will it get to ABE?
On time or early
79%
15–30 min late
4%
30 min–1 hour late
7%
1–2 hours late
5%
Over 2 hours late
2%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.