Only Hashem knows what’s going to happen. If nobody traveled by plane, how would anybody go to Eretz Yisroel nowadays? (In the olden days it took weeks, months to reach Eretz Yisroel. Also, flying nowadays is so common, how could nobody fly at all if you want to travel? These things are so unpredictable. This is the first time this ever happened. Nobody ever thought such a thing would happen nowadys with radar and signals.
The lesson which we’re supposed to take from the plane, (I heard this b’shem several rabbonim) is that Hashem is showing us that We think we’re in control. We have modern technology today- radar, signals, we think we control everything. Hashem is telling us that He runs the worls and even with technology we are not in control. Hashem is in control. Ain Od Milvado There’s only Hashem